| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Common atrioventricular (non-mitral, non-tricuspid) valve leaflet | Is a | True | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some |  | 
| Right atrioventricular (non-mitral, non-tricuspid) valve leaflet | Is a | True | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some |  | 
| Left atrioventricular (non-mitral, non-tricuspid) valve leaflet | Is a | True | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some |  | 
| Operation on atrioventricular valve leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Repair of defect of atrioventricular valve leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Resection of atrioventricular valve leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Excision of lesion from atrioventricular valve leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Closure of true atrioventricular valve cleft (procedure) | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Operation to atrioventricular valve bridging leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Suturing together of atrioventricular valve bridging leaflets | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Division of atrioventricular valve bridging leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Suture of defect of atrioventricular valve leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Patching of defect of atrioventricular valve leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Liberation of superior bridging leaflet using patch | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Resection of atrioventricular valve leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Excision of lesion from atrioventricular valve leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Division of atrioventricular valve bridging leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Resection of atrioventricular valve leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 3 | 
| Excision of lesion from atrioventricular valve leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 2 | 
| Division of atrioventricular valve bridging leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 2 | 
| Division of atrioventricular valve bridging leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Excision of lesion from atrioventricular valve leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 2 | 
| Resection of atrioventricular valve leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Division of atrioventricular valve bridging leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 2 | 
| Excision of lesion from atrioventricular valve leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Resection of atrioventricular valve leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 3 | 
| Division of atrioventricular valve bridging leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Division of atrioventricular valve bridging leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 2 | 
| Excision of lesion from atrioventricular valve leaflet | Procedure site - Direct (attribute) | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Division of atrioventricular valve bridging leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Division of atrioventricular valve bridging leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 2 | 
| Division of atrioventricular valve bridging leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Division of atrioventricular valve bridging leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 2 | 
| Division of atrioventricular valve bridging leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Division of atrioventricular valve bridging leaflet | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 2 | 
| Repair of defect of atrioventricular valve leaflet | Procedure site - Direct (attribute) | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Closure of true atrioventricular valve cleft (procedure) | Procedure site - Direct (attribute) | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Operation to atrioventricular valve bridging leaflet | Procedure site - Direct (attribute) | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Division of atrioventricular valve bridging leaflet | Procedure site - Direct (attribute) | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Division of atrioventricular valve bridging leaflet | Procedure site - Direct (attribute) | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 2 | 
| Liberation of superior bridging leaflet using patch | Procedure site - Direct (attribute) | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 2 | 
| Patching of defect of atrioventricular valve leaflet | Procedure site - Direct (attribute) | True | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 2 | 
| Patching of defect of atrioventricular valve leaflet | Procedure site - Direct (attribute) | True | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Suture of defect of atrioventricular valve leaflet | Procedure site - Direct (attribute) | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Liberation of superior bridging leaflet using patch | Procedure site - Direct (attribute) | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 2 | 
| Operation to atrioventricular valve bridging leaflet | Procedure site - Direct (attribute) | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Operation on atrioventricular valve leaflet | Procedure site | True | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Division of atrioventricular valve bridging leaflet | Procedure site - Direct (attribute) | True | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Closure of true atrioventricular valve cleft (procedure) | Procedure site - Direct (attribute) | True | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Excision of lesion from atrioventricular valve leaflet | Procedure site - Direct (attribute) | True | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 2 | 
| Liberation of superior bridging leaflet using patch | Procedure site - Direct (attribute) | True | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 2 | 
| Repair of defect of atrioventricular valve leaflet | Procedure site - Direct (attribute) | True | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Operation to atrioventricular valve bridging leaflet | Procedure site - Direct (attribute) | True | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Suture of defect of atrioventricular valve leaflet | Procedure site - Direct (attribute) | True | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Congenital abnormality of atrioventricular valve leaflet in atrioventricular septal defect (disorder) | Finding site | True | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Abnormality of atrioventricular valve leaflet in atrioventricular septal defect (disorder) | Finding site | True | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 1 | 
| Congenital abnormality of atrioventricular valve leaflet in atrioventricular septal defect (disorder) | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some | 2 | 
| Entire atrioventricular (non-mitral, non-tricuspid) valve leaflet (body structure) | Is a | True | Atrioventricular (non-mitral, non-tricuspid) valve leaflet | Inferred relationship | Some |  |