303054002: Structure of external rectal venous plexus (body structure)

• SNOMED CT Concept\Body structure\Anatomical or acquired body structure (body structure)\Anatomical structure\...
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Organ part\Digestive organ part\Lower gastrointestinal tract part (body structure)\Anal canal structure\Region of anal canal\Structure of terminal part of anal canal\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Organ part\Digestive organ part\Lower gastrointestinal tract part (body structure)\Anal canal structure\Region of anal canal\Structure of haemorrhoidal zone\Structure of haemorrhoidal plexus\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Systemic vascular structure\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Systemic vascular structure\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Systemic vascular structure\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Systemic vascular structure\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Systemic vascular structure\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Systemic vascular structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Systemic vascular structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Systemic vascular structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Systemic vascular structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Systemic vascular structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Venous structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Venous structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Venous structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Venous structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Venous structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Blood vessel structure (body structure)\Venous structure\Structure of venous network\Structure of haemorrhoidal plexus\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Digestive organ structure\Digestive organ part\Lower gastrointestinal tract part (body structure)\Anal canal structure\Region of anal canal\Structure of terminal part of anal canal\External rectal venous plexus
• \An anatomical structure that consists of the maximal set of organ parts so connected to one another that together they constitute a self-contained unit of macroscopic anatomy, distinct both morphologically and functionally from other such units. Together with other organs, an organ constitutes an organ system or a body part. An organ is divisible into organ parts but not organs (examples: femur, biceps, liver, heart, aorta, sciatic nerve, ovary).\Digestive organ structure\Digestive organ part\Lower gastrointestinal tract part (body structure)\Anal canal structure\Region of anal canal\Structure of haemorrhoidal zone\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Regional cardiovascular structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Venous system structure\Venous structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Venous system structure\Venous structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Venous system structure\Venous structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Venous system structure\Venous structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Venous system structure\Venous structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Venous system structure\Venous structure\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Venous system structure\Venous structure\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Venous system structure\Venous structure\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Venous system structure\Venous structure\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Venous system structure\Venous structure\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Venous system structure\Venous structure\Structure of vein of trunk\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Venous system structure\Venous structure\Structure of vein of trunk\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Venous system structure\Venous structure\Structure of vein of trunk\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Venous system structure\Venous structure\Structure of vein of trunk\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Venous system structure\Venous structure\Structure of vein of trunk\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Venous system structure\Venous structure\Structure of venous network\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Regional blood vessel structure (body structure)\Vascular structure of trunk\Structure of vein of trunk\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Systemic vascular structure\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Systemic vascular structure\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Systemic vascular structure\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Systemic vascular structure\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Systemic vascular structure\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Systemic vascular structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Systemic vascular structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Systemic vascular structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Systemic vascular structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Systemic vascular structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Venous structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Venous structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Venous structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Venous structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Venous structure\Systemic venous structure\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Venous structure\Structure of vein of trunk\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of cardiovascular system (body structure)\Blood vessel structure (body structure)\Venous structure\Structure of venous network\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of digestive system (body structure)\Structure of intestine and/or mesentery (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of digestive system (body structure)\Structure of intestine and/or mesentery (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of digestive system (body structure)\Structure of intestine and/or mesentery (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of digestive system (body structure)\Structure of intestine and/or mesentery (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of digestive system (body structure)\Structure of intestine and/or mesentery (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of digestive system (body structure)\Structure of intestine and/or mesentery (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of digestive system (body structure)\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of digestive system (body structure)\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of digestive system (body structure)\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of digestive system (body structure)\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of digestive system (body structure)\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body system structure\Structure of digestive system (body structure)\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of digestive system (body structure)\Entire digestive tract including mouth, esophagus, stomach and intestines.\Digestive tract part (body structure)\Oesophagus, stomach, small intestine and large intestine together as a single entity.\Anorectal structure\Anal structure (body structure)\Anus part (body structure)\Anal canal structure\Region of anal canal\Structure of terminal part of anal canal\External rectal venous plexus
• \Body system structure\Structure of digestive system (body structure)\Entire digestive tract including mouth, esophagus, stomach and intestines.\Digestive tract part (body structure)\Oesophagus, stomach, small intestine and large intestine together as a single entity.\Anorectal structure\Anal structure (body structure)\Anus part (body structure)\Anal canal structure\Region of anal canal\Structure of haemorrhoidal zone\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body system structure\Structure of digestive system (body structure)\Entire digestive tract including mouth, esophagus, stomach and intestines.\Digestive tract part (body structure)\Oesophagus, stomach, small intestine and large intestine together as a single entity.\Jejunum, ileum, colon, rectum, and anal canal\Perineal structure\Anal region structure\Anal structure (body structure)\Anus part (body structure)\Anal canal structure\Region of anal canal\Structure of terminal part of anal canal\External rectal venous plexus
• \Body region structure\Chest and/or abdomen and/or pelvis structure (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous ernal genitalia including skin and subcutaneous tissue.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Perineal structure\Anal region structure\Anal structure (body structure)\Anus part (body structure)\Anal canal structure\Region of anal canal\Structure of terminal part of anal canal\External rectal venous plexus
• \Body region structure\Body part structure\Lower body structure (body structure)\Lower body part structure\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Perineal structure\Anal region structure\Anal structure (body structure)\Anus part (body structure)\Anal canal structure\Region of anal canal\Structure of haemorrhoidal zone\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Lower body structure (body structure)\Lower body part structure\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Perineal structure\Structure of soft tissues of perineum\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Lower body structure (body structure)\Lower body part structure\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Perineal structure\Structure of soft tissues of perineum\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Lower body structure (body structure)\Lower body part structure\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Structure of soft tissue of pelvic segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Lower body structure (body structure)\Lower body part structure\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Structure of soft tissue of pelvic segment of trunk (body structure)\Structure of soft tissues of perineum\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Lower body structure (body structure)\Lower body part structure\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Structure of soft tissue of pelvic segment of trunk (body structure)\Structure of soft tissues of perineum\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Lower body structure (body structure)\Lower body part structure\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Anorectal structure\Anal structure (body structure)\Anus part (body structure)\Anal canal structure\Region of anal canal\Structure of terminal part of anal canal\External rectal venous plexus
• \Body region structure\Body part structure\Lower body structure (body structure)\Lower body part structure\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Anorectal structure\Anal structure (body structure)\Anus part (body structure)\Anal canal structure\Region of anal canal\Structure of haemorrhoidal zone\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Lower body structure (body structure)\Lower body part structure\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Perineal structure\Anal region structure\Anal structure (body structure)\Anus part (body structure)\Anal canal structure\Region of anal canal\Structure of terminal part of anal canal\External rectal venous plexus
• \Body region structure\Body part structure\Lower body structure (body structure)\Lower body part structure\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Perineal structure\Anal region structure\Anal structure (body structure)\Anus part (body structure)\Anal canal structure\Region of anal canal\Structure of haemorrhoidal zone\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Lower body structure (body structure)\Lower body part structure\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Perineal structure\Structure of soft tissues of perineum\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Lower body structure (body structure)\Lower body part structure\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Perineal structure\Structure of soft tissues of perineum\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Lower body structure (body structure)\Lower body part structure\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\Jejunum, ileum, colon, rectum, and anal canal\Lower gastrointestinal tract part (body structure)\Anal canal structure\Region of anal canal\Structure of terminal part of anal canal\External rectal venous plexus
• \Body region structure\Body part structure\Lower body structure (body structure)\Lower body part structure\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\Jejunum, ileum, colon, rectum, and anal canal\Lower gastrointestinal tract part (body structure)\Anal canal structure\Region of anal canal\Structure of haemorrhoidal zone\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Structure of lateral half of abdomen lateral to midsagittal plane\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Perineal structure\Anal region structure\Anal structure (body structure)\Anus part (body structure)\Anal canal structure\Region of anal canal\Structure of terminal part of anal canal\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Perineal structure\Anal region structure\Anal structure (body structure)\Anus part (body structure)\Anal canal structure\Region of anal canal\Structure of haemorrhoidal zone\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Perineal structure\Structure of soft tissues of perineum\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Perineal structure\Structure of soft tissues of perineum\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Jejunum, ileum, colon, rectum, and anal canal\Lower gastrointestinal tract part (body structure)\Anal canal structure\Region of anal canal\Structure of terminal part of anal canal\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the junction between T8 and T9 (and thus also includes part of the thoracic volume below this level); and inferiorly it extends to the perineum, including the volume of the true and false pelvic cavities and part but not necessarily the entire external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Jejunum, ileum, colon, rectum, and anal canal\Lower gastrointestinal tract part (body structure)\Anal canal structure\Region of anal canal\Structure of haemorrhoidal zone\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of half of trunk lateral to midsagittal plane (body structure)\Structure of lateral half of abdomen lateral to midsagittal plane\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of half of trunk lateral to midsagittal plane (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Structure of lateral half of abdomen lateral to midsagittal plane\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall).\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Perineal structure\Anal region structure\Anal structure (body structure)\Anus part (body structure)\Anal canal structure\Region of anal canal\Structure of terminal part of anal canal\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Perineal structure\Anal region structure\Anal structure (body structure)\Anus part (body structure)\Anal canal structure\Region of anal canal\Structure of haemorrhoidal zone\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Perineal structure\Structure of soft tissues of perineum\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This cross-sectional segment is bounded superiorly by a virtual horizontal plane at the level of the plane traversing the superior boundary of the iliac crest; and inferiorly it extends to the perineum and includes part but not necessarily the entire external genitalia. The segment includes the volume of the true and false pelvic cavities (and also part of the lower abdominal volume below the level of the virtual superior boundary). The volume includes the entire transverse thickness of the body over the longitudinal extent between the superior (upper) and inferior (lower) boundaries including the skin and subcutaneous tissue. The segment relates to the cross-sectional or projectional volume as perceived by transmissive or emissive imaging.\Perineal structure\Structure of soft tissues of perineum\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Structure of soft tissue of pelvic segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Structure of soft tissue of pelvic segment of trunk (body structure)\Structure of soft tissues of perineum\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Structure of soft tissue of pelvic segment of trunk (body structure)\Structure of soft tissues of perineum\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Anorectal structure\Anal structure (body structure)\Anus part (body structure)\Anal canal structure\Region of anal canal\Structure of terminal part of anal canal\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Anorectal structure\Anal structure (body structure)\Anus part (body structure)\Anal canal structure\Region of anal canal\Structure of haemorrhoidal zone\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Perineal structure\Anal region structure\Anal structure (body structure)\Anus part (body structure)\Anal canal structure\Region of anal canal\Structure of terminal part of anal canal\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Perineal structure\Anal region structure\Anal structure (body structure)\Anus part (body structure)\Anal canal structure\Region of anal canal\Structure of haemorrhoidal zone\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Perineal structure\Structure of soft tissues of perineum\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: superiorly the boundary of the false pelvis, which is an artificial plane from the symphysis pubis to the superior iliac crests (in front it is incomplete, presenting a wide interval between the anterior borders of the ilia); and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall and the entire perineum and external genitalia. Note, the entire bony pelvis is included within the pelvic segment (but is excluded from the abdomen proper segment of trunk); however the pelvic segment of trunk and the abdomen proper segment of trunk both include the volume of the false pelvis.\Perineal structure\Structure of soft tissues of perineum\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\Jejunum, ileum, colon, rectum, and anal canal\Lower gastrointestinal tract part (body structure)\Anal canal structure\Region of anal canal\Structure of terminal part of anal canal\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\This segment relates to the volume of the trunk that is bounded by and includes: superiorly thoracic diaphragm and inferiorly the perineum and external genitalia. The volume includes the entire transverse thickness of the body over the longitudinal extent between these upper (superior) and lower (inferior) boundaries including the overlying muscles, skin and subcutaneous tissue. The segment includes the abdominopelvic cavity, contents and wall including the posterior lumbar region, the volume of the true and false pelvic cavities including the bony pelvis and pelvic wall, the entire perineum and external genitalia including skin and subcutaneous tissue.\Jejunum, ileum, colon, rectum, and anal canal\Lower gastrointestinal tract part (body structure)\Anal canal structure\Region of anal canal\Structure of haemorrhoidal zone\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of blood vessel of pelvic cross-sectional segment of trunk (body structure)\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of blood vessel of abdominopelvic cross-sectional segment of trunk (body structure)\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Vascular structure of gastrointestinal tract (body structure)\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of vein of pelvic cross-sectional segment of trunk (body structure)\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of systemic vein of trunk\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Cardiovascular structure of trunk\Vascular structure of trunk\Structure of vein of trunk\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of soft tissue of trunk\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of soft tissue of trunk\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of soft tissue of trunk\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Vascular structure of large intestine (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of soft tissue of trunk\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of soft tissue of trunk\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of soft tissue of trunk\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of blood vessel of intestine (body structure)\Structure of intestinal vein\Structure of haemorrhoidal plexus\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of soft tissue of trunk\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of soft tissue of trunk\Soft tissue of abdomen\This concept describes any blood vessel that is entirely within the abdominopelvic cavity.\Structure of abdominal vein\Structure of systemic abdominal vein (body structure)\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of soft tissue of trunk\Structure of soft tissue of pelvic segment of trunk (body structure)\Structure of tributary of middle hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of soft tissue of trunk\Structure of soft tissue of pelvic segment of trunk (body structure)\Structure of soft tissues of perineum\Structure of blood vessel within perineal region\Structure of tributary of inferior hemorrhoidal vein (body structure)\External rectal venous plexus
• \Body region structure\Body part structure\Trunk structure\Structure of soft tissue of trunk\Structure of soft tissue of pelvic segment of trunk (body structure)\Structure of soft tissues of perineum\Structure of blood vessel within perineal region\Structure of perineal vein (body structure)\Structure of haemorrhoidal plexus\External rectal venous plexus

Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core

Descriptions:

Id	Description	Lang	Type	Status	Case?	Module
445106010	External rectal venous plexus	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1216336018	External haemorrhoidal plexus	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1217835018	External hemorrhoidal plexus	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
4627996016	Structure of external rectal venous plexus (body structure)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
4627997013	Structure of external rectal venous plexus	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
3552831000005112	plexus venosus rectalis externus	da	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	Danish module (core metadata concept)

Expanded Value Set

Reference Sets

Lateralizable body structure reference set (foundation metadata concept)

Anatomy structure and entire association reference set (foundation metadata concept)

Description inactivation indicator reference set

GB English

US English

Back to Start