| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Distal ulnar epiphysis | Is a | True | Bone structure of distal ulna | Inferred relationship | Some |  | 
| Entire distal end of ulna | Is a | False | Bone structure of distal ulna | Inferred relationship | Some |  | 
| Structure of head of ulna | Is a | False | Bone structure of distal ulna | Inferred relationship | Some |  | 
| Structure of styloid process of ulna | Is a | False | Bone structure of distal ulna | Inferred relationship | Some |  | 
| Distal radioulnar synostosis | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Fracture of distal end of ulna | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Closed traumatic dislocation of distal end of ulna (disorder) | Finding site | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Closed fracture of lower end of radius AND ulna | Finding site | True | Bone structure of distal ulna | Inferred relationship | Some | 2 | 
| Arthroplasty of distal ulna with prosthetic replacement | Procedure site | False | Bone structure of distal ulna | Inferred relationship | Some |  | 
| Madelung's deformity | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Closed fracture of distal end of ulna | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Open fracture of distal end of ulna | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Open dislocation of distal end of ulna | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 2 | 
| Open fracture of lower end of radius AND ulna | Finding site | True | Bone structure of distal ulna | Inferred relationship | Some | 2 | 
| Excision of distal ulna | Procedure site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Closed fracture radius and ulna, distal | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Closed fracture of forearm, lower end, unspecified | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 2 | 
| Closed fracture distal ulna, unspecified | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Closed fracture of forearm, lower end, NOS | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 2 | 
| Open fracture distal ulna - other | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Fracture of distal end of radius and ulna | Finding site | True | Bone structure of distal ulna | Inferred relationship | Some | 2 | 
| Darrach procedure | Procedure site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Open fracture of forearm, lower end, unspecified | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Open fracture of forearm, lower end, NOS | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Closed fracture of ulna, lower epiphysis | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 2 | 
| Excision of distal ulna | Procedure site - Direct (attribute) | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Darrach procedure | Procedure site - Direct (attribute) | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Madelung's deformity | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Closed fracture of distal end of ulna | Finding site | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Fracture of distal end of ulna | Finding site | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Closed fracture of ulna, lower epiphysis | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 2 | 
| Open fracture of distal end of ulna | Finding site | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Open dislocation of distal end of ulna | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 2 | 
| Excision of distal ulna | Procedure site - Direct (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Darrach procedure | Procedure site - Direct (attribute) | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Distal radioulnar synostosis | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Open fracture distal ulna - other | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Closed fracture distal ulna, unspecified | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Closed fracture distal ulna, unspecified | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Pathological fracture of distal ulna (disorder) | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Pathological fracture of distal ulna (disorder) | Finding site | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Pathological fracture of distal radius and distal ulna | Finding site | True | Bone structure of distal ulna | Inferred relationship | Some | 2 | 
| Epiphyseal plate of distal ulna | Is a | True | Bone structure of distal ulna | Inferred relationship | Some |  | 
| Bone structure of distal left ulna (body structure) | Is a | True | Bone structure of distal ulna | Inferred relationship | Some |  | 
| Bone structure of distal right ulna (body structure) | Is a | True | Bone structure of distal ulna | Inferred relationship | Some |  | 
| Entire bone of distal ulna (body structure) | Is a | True | Bone structure of distal ulna | Inferred relationship | Some |  | 
| Moore's fracture | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Open dislocation of distal end of ulna | Finding site | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Madelung's deformity | Finding site | True | Bone structure of distal ulna | Inferred relationship | Some | 3 | 
| Distal radioulnar synostosis | Finding site | True | Bone structure of distal ulna | Inferred relationship | Some | 2 | 
| Skillern's fracture (disorder) | Finding site | True | Bone structure of distal ulna | Inferred relationship | Some | 2 | 
| syndroom van dyschondrosteose en nefritis | Finding site | False | Bone structure of distal ulna | Inferred relationship | Some | 5 | 
| Pseudoarthrosis of distal ulna (disorder) | Finding site | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Removal of orthopedic fixation system from distal ulna (procedure) | Procedure site - Indirect (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Removal of plate and screws from distal end of ulna (procedure) | Procedure site - Indirect (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Removal of plate and screws from distal end of ulna (procedure) | Procedure site - Indirect (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 2 | 
| Removal of Kirschner wire internal bone fixator from distal end of ulna (procedure) | Procedure site - Indirect (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Open reduction of fracture of distal end of ulna with internal fixation (procedure) | Procedure site - Direct (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Open reduction of fracture of distal end of ulna with internal fixation (procedure) | Procedure site - Direct (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 2 | 
| Closed reduction of fracture of distal end of ulna (procedure) | Procedure site - Direct (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Closed reduction of fracture of distal end of ulna with external fixation (procedure) | Procedure site - Direct (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 2 | 
| Closed reduction of fracture of distal end of ulna with external fixation (procedure) | Procedure site - Direct (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Revision of uncemented prosthetic replacement of distal ulna (procedure) | Procedure site | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Removal of uncemented prosthesis from distal end of ulna (procedure) | Procedure site - Indirect (attribute) | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Removal of cemented prosthesis from distal end of ulna (procedure) | Procedure site - Indirect (attribute) | False | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Removal of screw from distal end of ulna (procedure) | Procedure site - Indirect (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Revision of cemented prosthetic replacement of distal ulna (procedure) | Procedure site | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Removal of multiple screws from distal end of ulna (procedure) | Procedure site - Indirect (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Implantation of prosthesis of distal ulna using cement (procedure) | Procedure site - Indirect (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Insertion of prosthesis into distal ulna (procedure) | Procedure site - Direct (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Arthrodesis of distal radioulnar joint and segmental resection of ulna with bone graft (procedure) | Procedure site - Direct (attribute) | False | Bone structure of distal ulna | Inferred relationship | Some | 4 | 
| Arthroplasty with stabilisation of distal ulna with tendon transplant (procedure) | Procedure site - Direct (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Closed reduction of fracture of distal end of radius and distal end of ulna (procedure) | Procedure site - Direct (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 2 | 
| Implantation of uncemented prosthesis of distal ulna (procedure) | Procedure site - Indirect (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Sauvé Kapandji procedure (procedure) | Procedure site - Direct (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 2 | 
| Arthroplasty with stabilisation of distal ulna with tendon transposition (procedure) | Procedure site - Direct (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Total arthrodesis of joint of wrist region (procedure) | Procedure site - Direct (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 1 | 
| Arthrodesis of distal radioulnar joint and segmental resection of ulna with bone graft (procedure) | Procedure site - Direct (attribute) | True | Bone structure of distal ulna | Inferred relationship | Some | 5 |