| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Aberrant retinal artery | Is a | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier |  | 
| Aberrant retinal vein | Is a | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier |  | 
| Transection of aberrant renal vessels | Direct morphology | False | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Division of aberrant vessel | Direct morphology | False | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Division of aberrant vessel with reanastomosis | Direct morphology | False | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Division of aberrant vessel with reanastomosis | Direct morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Division of aberrant vessel | Direct morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Transection of aberrant renal vessels | Direct morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Aberrant course of coronary artery between aorta and pulmonary trunk | Associated morphology | False | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Coronary artery runs between aorta and pulmonary trunk | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Anomalous intramural course of proximal portion of coronary artery across commissure of aortic valve | Associated morphology | False | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 2 | 
| Anomalous course of coronary artery through infundibular septum | Associated morphology | False | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 2 | 
| Anomalous intramural course of proximal portion of coronary artery above aortic sinus | Associated morphology | False | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 2 | 
| Anomalous course of coronary artery posterior to pulmonary trunk | Associated morphology | False | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 2 | 
| Circumflex runs posterior to aorta | Associated morphology | False | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 3 | 
| Anomalous intramural course of proximal portion of coronary artery within aortic sinus | Associated morphology | False | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 2 | 
| Anomalous course of coronary artery anterior to aorta | Associated morphology | False | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 2 | 
| Intramural coronary artery course | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Anomalous course of coronary artery anterior to pulmonary trunk and aorta | Associated morphology | False | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 2 | 
| Anomalous course of coronary artery across right ventricular outflow tract | Associated morphology | False | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 2 | 
| Aberrant course of left anterior descending coronary artery from right coronary artery crossing right ventricular outflow tract | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Anomalous course of coronary artery posterior to pulmonary trunk and aorta | Associated morphology | False | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 2 | 
| Anomalous course of coronary artery posterior to aorta | Associated morphology | False | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 2 | 
| Anomalous course of coronary artery anterior to pulmonary trunk | Associated morphology | False | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 2 | 
| Circumflex runs posterior to pulmonary trunk | Associated morphology | False | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 3 | 
| Abnormal coronary artery course | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Circumflex runs posterior to pulmonary trunk | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Circumflex runs posterior to aorta | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Anomalous course of coronary artery posterior to pulmonary trunk | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Anomalous course of coronary artery posterior to aorta | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Anomalous course of coronary artery anterior to pulmonary trunk and aorta | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Anomalous course of coronary artery posterior to pulmonary trunk and aorta | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Anomalous course of coronary artery anterior to aorta | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Anomalous course of coronary artery anterior to pulmonary trunk | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Anomalous intramural course of proximal portion of coronary artery within aortic sinus | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Anomalous intramural course of proximal portion of coronary artery across commissure of aortic valve | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Anomalous intramural course of proximal portion of coronary artery above aortic sinus | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Anomalous course of coronary artery across right ventricular outflow tract | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Anomalous course of coronary artery through infundibular septum | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Subaortic course of innominate vein | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 | 
| Retroaortic brachiocephalic vein | Associated morphology | True | Anomalous vascular distribution, including the course of the vessel and/or the anatomical region supplied or drained | Inferred relationship | Existential restriction modifier | 1 |