| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Structure of anterosuperior atrioventricular leaflet | Is a | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier |  | 
| Structure of inferior atrioventricular leaflet | Is a | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier |  | 
| Structure of superior bridging leaflet | Is a | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier |  | 
| Structure of inferior bridging leaflet | Is a | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier |  | 
| Structure of lateral atrioventricular leaflet | Is a | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier |  | 
| Common atrioventricular valve leaflet abnormality | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Common atrioventricular valve prolapse | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| True cleft of common atrioventricular valve leaflet | Finding site | False | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Accessory tissue on common atrioventricular valve leaflet | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Double orifice of common atrioventricular valve | Finding site | False | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Triple orifice of left ventricular component of common atrioventricular valve | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Ebstein's anomaly of common atrioventricular valve | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Common atrioventricular valve leaflet abnormality | Finding site | False | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Double orifice of common atrioventricular valve | Finding site | False | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Triple orifice of left ventricular component of common atrioventricular valve | Finding site | False | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Ebstein's anomaly of common atrioventricular valve | Finding site | False | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| True cleft of common atrioventricular valve leaflet | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Common atrioventricular valve prolapse | Finding site | False | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Accessory tissue on common atrioventricular valve leaflet | Finding site | False | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Fenestration of atrioventricular valve leaflet in atrioventricular septal defect | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Noncoapting atrioventricular valve leaflet in atrioventricular septal defect | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Deficiency of atrioventricular valve leaflet in atrioventricular septal defect | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Thickened atrioventricular valve leaflet in atrioventricular septal defect | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Gelatinous atrioventricular valve leaflet in atrioventricular septal defect | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Mass associated with atrioventricular valve leaflet in atrioventricular septal defect | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| Flail atrioventricular valve leaflet in atrioventricular septal defect | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 1 | 
| True cleft of common atrioventricular valve leaflet | Finding site | False | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 2 | 
| Entire common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Is a | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier |  | 
| Double orifice of common atrioventricular valve | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 2 | 
| Ebstein's anomaly of common atrioventricular valve | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 3 | 
| Common atrioventricular valve prolapse | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 3 | 
| Fenestration of atrioventricular valve leaflet in atrioventricular septal defect | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 3 | 
| Mass associated with atrioventricular valve leaflet in atrioventricular septal defect | Finding site | True | Structure of common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Existential restriction modifier | 3 |