245883000: Structure of L3/L4 ligamentum flavum (body structure)

• SNOMED CT Concept\Body structure\Anatomical or acquired body structure (body structure)\Anatomical structure\...
• \Body wall structure\This structure surrounds the abdominopelvic cavity and has two regional parts: the wall of abdominal proper segment of trunk and the pelvic wall, but excludes the pelvic floor and the thoracic diaphragm.\Structure of soft tissue of abdominopelvic wall (body structure)\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body 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\Joint part\Structure of ligament of joint (body structure)\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body 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\Joint part\Structure of ligament of joint (body structure)\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body 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).\Structure of ligament\Skeletal ligament structure (body structure)\Structure of ligament of joint (body structure)\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body 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).\Structure of ligament\Skeletal ligament structure (body structure)\Structure of ligament of joint (body structure)\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body 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).\Structure of ligament\Structure of ligament of trunk\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body 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).\Joint structure\Structure of joint of axial skeleton (body structure)\Joint structure of spine\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body 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).\Joint structure\Structure of joint of axial skeleton (body structure)\Joint structure of spine\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body 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).\Joint structure\Joint part\Structure of ligament of joint (body structure)\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body 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).\Joint structure\Joint part\Structure of ligament of joint (body structure)\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body system structure\Structure of musculoskeletal system (body structure)\...
• \Skeletal ligament structure (body structure)\Structure of ligament of joint (body structure)\Structure of ligament of spine (body structure)\...
• \Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Structure of regional musculoskeletal system (body structure)\Musculoskeletal structure of trunk\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Structure of regional musculoskeletal system (body structure)\Musculoskeletal structure of spine\Structure of vertebral column (body structure)\Structure of joint region of spine\Joint structure of spine\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Structure of regional musculoskeletal system (body structure)\Musculoskeletal structure of spine\Structure of vertebral column (body structure)\Structure of joint region of spine\Joint structure of spine\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Structure of regional musculoskeletal system (body structure)\Musculoskeletal structure of spine\Structure of vertebral column (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Structure of regional musculoskeletal system (body structure)\Musculoskeletal structure of spine\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Skeletal system structure\Bone and/or joint structure (body structure)\Joint structure\Structure of joint of axial skeleton (body structure)\Joint structure of spine\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Skeletal system structure\Bone and/or joint structure (body structure)\Joint structure\Structure of joint of axial skeleton (body structure)\Joint structure of spine\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Skeletal system structure\Bone and/or joint structure (body structure)\Joint structure\Joint part\Structure of ligament of joint (body structure)\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Skeletal system structure\Bone and/or joint structure (body structure)\Joint structure\Joint part\Structure of ligament of joint (body structure)\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Skeletal system structure\Articular system structure (body structure)\Joint structure\Structure of joint of axial skeleton (body structure)\Joint structure of spine\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Skeletal system structure\Articular system structure (body structure)\Joint structure\Structure of joint of axial skeleton (body structure)\Joint structure of spine\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Skeletal system structure\Articular system structure (body structure)\Joint structure\Joint part\Structure of ligament of joint (body structure)\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Skeletal system structure\Articular system structure (body structure)\Joint structure\Joint part\Structure of ligament of joint (body structure)\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Skeletal system structure\Axial skeleton structure\Structure of vertebral column (body structure)\Structure of joint region of spine\Joint structure of spine\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Skeletal system structure\Axial skeleton structure\Structure of vertebral column (body structure)\Structure of joint region of spine\Joint structure of spine\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Skeletal system structure\Axial skeleton structure\Structure of vertebral column (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body tissue structure (body structure)\Structure of soft tissue (body structure)\Skeletal ligament structure (body structure)\Structure of ligament of joint (body structure)\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body tissue structure (body structure)\Structure of soft tissue (body structure)\Skeletal ligament structure (body structure)\Structure of ligament of joint (body structure)\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body tissue structure (body structure)\Structure of soft tissue (body structure)\Structure of soft tissue of trunk\Soft tissue of abdomen\Structure of soft tissue of abdominopelvic wall (body structure)\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body tissue structure (body structure)\Structure of soft tissue (body structure)\Structure of soft tissue of trunk\Structure of soft tissue of back of trunk (body structure)\Structure of soft tissue of lower back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body tissue structure (body structure)\Connective tissue structure\Structure of ligament\Skeletal ligament structure (body structure)\Structure of ligament of joint (body structure)\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body tissue structure (body structure)\Connective tissue structure\Structure of ligament\Skeletal ligament structure (body structure)\Structure of ligament of joint (body structure)\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body tissue structure (body structure)\Connective tissue structure\Structure of ligament\Structure of ligament of trunk\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of joint region\Structure of joint region of spine\Joint structure of spine\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of joint region\Structure of joint region of spine\Joint structure of spine\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of joint region\Joint structure\Structure of joint of axial skeleton (body structure)\Joint structure of spine\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of joint region\Joint structure\Structure of joint of axial skeleton (body structure)\Joint structure of spine\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of joint region\Joint structure\Joint part\Structure of ligament of joint (body structure)\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of joint region\Joint structure\Joint part\Structure of ligament of joint (body structure)\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of half of body lateral to midsagittal plane (body structure)\Structure of half of trunk lateral to midsagittal plane (body structure)\Structure of lateral half of abdomen lateral to midsagittal plane\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of half of body lateral to midsagittal plane (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Chest and/or abdomen and/or pelvis structure (body structure)\Chest and/or abdomen structure (body structure)\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\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Chest and/or abdomen and/or pelvis structure (body structure)\Chest and/or abdomen structure (body structure)\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\Structure of soft tissue of abdominopelvic wall (body structure)\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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 tissue.\This structure surrounds the abdominopelvic cavity and has two regional parts: the wall of abdominal proper segment of trunk and the pelvic wall, but excludes the pelvic floor and the thoracic diaphragm.\Structure of soft tissue of abdominopelvic wall (body structure)\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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 tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: the thoracic diaphragm and inferiorly by the superior pelvic aperture. It incorporates the abdominal proper cavity (including the volume of the false pelvis), contents and wall including the lumbar vertebral column and all the overlying muscles, skin and subcutaneous tissue. It consequently includes the intra-abdomen proper structure, the anterior abdominal wall and the posterior lumbar region. Note, the entire bony pelvis although forming part of the boundary is excluded from the abdomen proper segment of trunk (but is included as part of the pelvic segment of trunk).\Structure of lumbar region of back\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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 tissue.\This segment relates to the volume of the trunk that is bounded superiorly by and includes: the thoracic diaphragm and inferiorly by the superior pelvic aperture. It incorporates the abdominal proper cavity (including the volume of the false pelvis), contents and wall including the lumbar vertebral column and all the overlying muscles, skin and subcutaneous tissue. It consequently includes the intra-abdomen proper structure, the anterior abdominal wall and the posterior lumbar region. Note, the entire bony pelvis although forming part of the boundary is excluded from the abdomen proper segment of trunk (but is included as part of the pelvic segment of trunk).\Structure of lumbar region of back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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 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\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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 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\Structure of soft tissue of abdominopelvic wall (body structure)\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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 tissue.\Lower back structure\Structure of soft tissue of lower back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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 tissue.\Lower back structure\Lumbosacral region structure\Structure of lumbar and/or sacral vertebral column region (body structure)\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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 tissue.\Lower back structure\Lumbosacral region structure\Structure of lumbar region of back\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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 tissue.\Lower back structure\Lumbosacral region structure\Structure of lumbar region of back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Neck, chest, abdomen, and pelvis\Neck and/or chest and/or abdomen structure (body structure)\Chest and/or abdomen structure (body structure)\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\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Neck, chest, abdomen, and pelvis\Neck and/or chest and/or abdomen structure (body structure)\Chest and/or abdomen structure (body structure)\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\Structure of soft tissue of abdominopelvic wall (body structure)\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of regional musculoskeletal system (body structure)\Musculoskeletal structure of trunk\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of regional musculoskeletal system (body structure)\Musculoskeletal structure of spine\Structure of vertebral column (body structure)\Structure of joint region of spine\Joint structure of spine\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of regional musculoskeletal system (body structure)\Musculoskeletal structure of spine\Structure of vertebral column (body structure)\Structure of joint region of spine\Joint structure of spine\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of regional musculoskeletal system (body structure)\Musculoskeletal structure of spine\Structure of vertebral column (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of regional musculoskeletal system (body structure)\Musculoskeletal structure of spine\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of back of trunk and/or neck (body structure)\This volume includes the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord. It also includes the muscles associated with the spine within (and including) the anterior and posterior thoracolumbar fascia and its equivalent nuchal fascia in the neck. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks.\Structure of thoracic and/or lumbar vertebral column region (body structure)\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of back of trunk and/or neck (body structure)\This volume includes the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord. It also includes the muscles associated with the spine within (and including) the anterior and posterior thoracolumbar fascia and its equivalent nuchal fascia in the neck. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks.\Structure of lumbar and/or sacral vertebral column region (body structure)\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of back of trunk and/or neck (body structure)\This volume includes the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord. It also includes the muscles associated with the spine within (and including) the anterior and posterior thoracolumbar fascia and its equivalent nuchal fascia in the neck. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks.\Structure of vertebral column and/or spinal cord (body structure)\Structure of vertebral column (body structure)\Structure of joint region of spine\Joint structure of spine\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of back of trunk and/or neck (body structure)\This volume includes the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord. It also includes the muscles associated with the spine within (and including) the anterior and posterior thoracolumbar fascia and its equivalent nuchal fascia in the neck. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks.\Structure of vertebral column and/or spinal cord (body structure)\Structure of vertebral column (body structure)\Structure of joint region of spine\Joint structure of spine\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of back of trunk and/or neck (body structure)\This volume includes the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord. It also includes the muscles associated with the spine within (and including) the anterior and posterior thoracolumbar fascia and its equivalent nuchal fascia in the neck. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks.\Structure of vertebral column and/or spinal cord (body structure)\Structure of vertebral column (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of back of trunk and/or neck (body structure)\This volume includes the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord. It also includes the muscles associated with the spine within (and including) the anterior and posterior thoracolumbar fascia and its equivalent nuchal fascia in the neck. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks.\Musculoskeletal structure of spine\Structure of vertebral column (body structure)\Structure of joint region of spine\Joint structure of spine\Structure of ligament of spine (body structure)\Structure of intervertebral ligament (body structure)\Paired intervertebral syndesmosis\Structure of ligamentum flavum\Ligamentum flavum within region of vertebral column\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of back of trunk and/or neck (body structure)\This volume includes the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord. It also includes the muscles associated with the spine within (and including) the anterior and posterior thoracolumbar fascia and its equivalent nuchal fascia in the neck. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks.\Musculoskeletal structure of spine\Structure of vertebral column (body structure)\Structure of joint region of spine\Joint structure of spine\Structure of ligament of spine (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of back of trunk and/or neck (body structure)\This volume includes the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord. It also includes the muscles associated with the spine within (and including) the anterior and posterior thoracolumbar fascia and its equivalent nuchal fascia in the neck. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks.\Musculoskeletal structure of spine\Structure of vertebral column (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of back of trunk and/or neck (body structure)\This volume includes the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord. It also includes the muscles associated with the spine within (and including) the anterior and posterior thoracolumbar fascia and its equivalent nuchal fascia in the neck. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks.\Musculoskeletal structure of spine\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of back of trunk and/or neck (body structure)\Structure of back of trunk (body structure)\Structure of soft tissue of back of trunk (body structure)\Structure of soft tissue of lower back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of back of trunk and/or neck (body structure)\Structure of back of trunk (body structure)\Regional back structure\Lower back structure\Structure of soft tissue of lower back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of back of trunk and/or neck (body structure)\Structure of back of trunk (body structure)\Regional back structure\Lower back structure\Lumbosacral region structure\Structure of lumbar and/or sacral vertebral column region (body structure)\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of back of trunk and/or neck (body structure)\Structure of back of trunk (body structure)\Regional back structure\Lower back structure\Lumbosacral region structure\Structure of lumbar region of back\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of back of trunk and/or neck (body structure)\Structure of back of trunk (body structure)\Regional back structure\Lower back structure\Lumbosacral region structure\Structure of lumbar region of back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of back of trunk and/or neck (body structure)\Structure of back of trunk (body structure)\Regional back structure\Structure of thoracolumbar region of back\Structure of thoracic and/or lumbar vertebral column region (body structure)\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of back of trunk and/or neck (body structure)\Structure of back of trunk (body structure)\Regional back structure\Structure of thoracolumbar region of back\Structure of lumbar region of back\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Structure of back of trunk and/or neck (body structure)\Structure of back of trunk (body structure)\Regional back structure\Structure of thoracolumbar region of back\Structure of lumbar region of back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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 structure surrounds the abdominopelvic cavity and has two regional parts: the wall of abdominal proper segment of trunk and the pelvic wall, but excludes the pelvic floor and the thoracic diaphragm.\Structure of soft tissue of abdominopelvic wall (body structure)\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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: the thoracic diaphragm and inferiorly by the superior pelvic aperture. It incorporates the abdominal proper cavity (including the volume of the false pelvis), contents and wall including the lumbar vertebral column and all the overlying muscles, skin and subcutaneous tissue. It consequently includes the intra-abdomen proper structure, the anterior abdominal wall and the posterior lumbar region. Note, the entire bony pelvis although forming part of the boundary is excluded from the abdomen proper segment of trunk (but is included as part of the pelvic segment of trunk).\Structure of lumbar region of back\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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: the thoracic diaphragm and inferiorly by the superior pelvic aperture. It incorporates the abdominal proper cavity (including the volume of the false pelvis), contents and wall including the lumbar vertebral column and all the overlying muscles, skin and subcutaneous tissue. It consequently includes the intra-abdomen proper structure, the anterior abdominal wall and the posterior lumbar region. Note, the entire bony pelvis although forming part of the boundary is excluded from the abdomen proper segment of trunk (but is included as part of the pelvic segment of trunk).\Structure of lumbar region of back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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 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\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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 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\Structure of soft tissue of abdominopelvic wall (body structure)\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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.\Lower back structure\Structure of soft tissue of lower back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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.\Lower back structure\Lumbosacral region structure\Structure of lumbar and/or sacral vertebral column region (body structure)\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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.\Lower back structure\Lumbosacral region structure\Structure of lumbar region of back\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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.\Lower back structure\Lumbosacral region structure\Structure of lumbar region of back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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 structure surrounds the abdominopelvic cavity and has two regional parts: the wall of abdominal proper segment of trunk and the pelvic wall, but excludes the pelvic floor and the thoracic diaphragm.\Structure of soft tissue of abdominopelvic wall (body structure)\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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 segment relates to the volume of the trunk that is bounded superiorly by and includes: the thoracic diaphragm and inferiorly by the superior pelvic aperture. It incorporates the abdominal proper cavity (including the volume of the false pelvis), contents and wall including the lumbar vertebral column and all the overlying muscles, skin and subcutaneous tissue. It consequently includes the intra-abdomen proper structure, the anterior abdominal wall and the posterior lumbar region. Note, the entire bony pelvis although forming part of the boundary is excluded from the abdomen proper segment of trunk (but is included as part of the pelvic segment of trunk).\Structure of lumbar region of back\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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 segment relates to the volume of the trunk that is bounded superiorly by and includes: the thoracic diaphragm and inferiorly by the superior pelvic aperture. It incorporates the abdominal proper cavity (including the volume of the false pelvis), contents and wall including the lumbar vertebral column and all the overlying muscles, skin and subcutaneous tissue. It consequently includes the intra-abdomen proper structure, the anterior abdominal wall and the posterior lumbar region. Note, the entire bony pelvis although forming part of the boundary is excluded from the abdomen proper segment of trunk (but is included as part of the pelvic segment of trunk).\Structure of lumbar region of back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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\Structure of soft tissue of abdominopelvic wall (body structure)\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of back of trunk (body structure)\Structure of soft tissue of back of trunk (body structure)\Structure of soft tissue of lower back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of back of trunk (body structure)\Regional back structure\Lower back structure\Structure of soft tissue of lower back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of back of trunk (body structure)\Regional back structure\Lower back structure\Lumbosacral region structure\Structure of lumbar and/or sacral vertebral column region (body structure)\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of back of trunk (body structure)\Regional back structure\Lower back structure\Lumbosacral region structure\Structure of lumbar region of back\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of back of trunk (body structure)\Regional back structure\Lower back structure\Lumbosacral region structure\Structure of lumbar region of back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of back of trunk (body structure)\Regional back structure\Structure of thoracolumbar region of back\Structure of thoracic and/or lumbar vertebral column region (body structure)\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of back of trunk (body structure)\Regional back structure\Structure of thoracolumbar region of back\Structure of lumbar region of back\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of back of trunk (body structure)\Regional back structure\Structure of thoracolumbar region of back\Structure of lumbar region of back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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 structure surrounds the abdominopelvic cavity and has two regional parts: the wall of abdominal proper segment of trunk and the pelvic wall, but excludes the pelvic floor and the thoracic diaphragm.\Structure of soft tissue of abdominopelvic wall (body structure)\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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: the thoracic diaphragm and inferiorly by the superior pelvic aperture. It incorporates the abdominal proper cavity (including the volume of the false pelvis), contents and wall including the lumbar vertebral column and all the overlying muscles, skin and subcutaneous tissue. It consequently includes the intra-abdomen proper structure, the anterior abdominal wall and the posterior lumbar region. Note, the entire bony pelvis although forming part of the boundary is excluded from the abdomen proper segment of trunk (but is included as part of the pelvic segment of trunk).\Structure of lumbar region of back\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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: the thoracic diaphragm and inferiorly by the superior pelvic aperture. It incorporates the abdominal proper cavity (including the volume of the false pelvis), contents and wall including the lumbar vertebral column and all the overlying muscles, skin and subcutaneous tissue. It consequently includes the intra-abdomen proper structure, the anterior abdominal wall and the posterior lumbar region. Note, the entire bony pelvis although forming part of the boundary is excluded from the abdomen proper segment of trunk (but is included as part of the pelvic segment of trunk).\Structure of lumbar region of back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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\Structure of soft tissue of abdominopelvic wall (body structure)\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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.\Lower back structure\Structure of soft tissue of lower back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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.\Lower back structure\Lumbosacral region structure\Structure of lumbar and/or sacral vertebral column region (body structure)\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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.\Lower back structure\Lumbosacral region structure\Structure of lumbar region of back\This volume includes the lumbar segment of the spinal column, its spaces and contents, notably the spinal canal, spinal meninges and spinal cord within this segment. It also includes the muscles associated with the lumbar spine within (and including) the anterior and posterior thoracolumbar fascia. This region also includes the spinal ventral (anterior) and dorsal (posterior) roots, the dorsal root (spinal) ganglions and the spinal nerve trunks of the lumbar segment.\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \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.\Lower back structure\Lumbosacral region structure\Structure of lumbar region of back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Body part structure\Trunk structure\Musculoskeletal structure of trunk\Structure of musculoskeletal system of lumbar spine (body structure)\Lumbar spine structure\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Body part structure\Trunk structure\Structure of soft tissue of trunk\Soft tissue of abdomen\Structure of soft tissue of abdominopelvic wall (body structure)\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)
• \Body region structure\Body part structure\Trunk structure\Structure of soft tissue of trunk\Structure of soft tissue of back of trunk (body structure)\Structure of soft tissue of lower back\Structure of soft tissue of lumbar region of back (body structure)\Ligament of spine in lumbar region\Lumbar ligamentum flavum\Structure of L3/L4 ligamentum flavum (body structure)

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
367576011	L3/L4 ligamentum flavum	en	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core
4629510011	Structure of L3/L4 ligamentum flavum	en	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core
4629511010	Structure of L3/L4 ligamentum flavum (body structure)	en	Fully specified name	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core
3161331000005114	ligamentum flavum mellem L3 og L4	da	Synonym (core metadata concept)	Active	Entire term case sensitive (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)

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