| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire base of first metacarpal bone | Is a | True | Structure of base of first metacarpal bone | Inferred relationship | Some |  | 
| Open fracture of base of thumb | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Closed fracture of base of thumb | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Bennett's fracture | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Closed Bennett's fracture | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 3 | 
| Fracture of base of thumb | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Open Bennett's fracture | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Closed fracture thumb metacarpal base, intra-articular, Bennett | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Closed fracture thumb metacarpal base, intra-articular, Rolando | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Open fracture thumb metacarpal base, intra-articular, Bennett | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Open fracture thumb metacarpal base, intra-articular, Rolando | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Closed Bennett's fracture | Finding site | True | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Closed Bennett's fracture | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 2 | 
| Closed Bennett's fracture | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 3 | 
| Closed Bennett's fracture | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 2 | 
| Closed Bennett's fracture | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 2 | 
| Closed Bennett's fracture | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 2 | 
| Structure of ossification center of base of first metacarpal (body structure) | Is a | True | Structure of base of first metacarpal bone | Inferred relationship | Some |  | 
| Closed fracture of base of thumb | Finding site | True | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Open fracture thumb metacarpal base, intra-articular, Bennett | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Open fracture thumb metacarpal base, intra-articular, Rolando | Finding site | True | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Closed Bennett's fracture | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 2 | 
| Open fracture of base of thumb | Finding site | True | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Closed fracture thumb metacarpal base, intra-articular, Bennett | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Open Bennett's fracture | Finding site | False | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Closed fracture thumb metacarpal base, intra-articular, Rolando | Finding site | True | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Fracture of base of thumb | Finding site | True | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Bennett's fracture | Finding site | True | Structure of base of first metacarpal bone | Inferred relationship | Some | 1 | 
| Open Bennett's fracture | Finding site | True | Structure of base of first metacarpal bone | Inferred relationship | Some | 2 | 
| Structure of base of first metacarpal bone of left hand | Is a | True | Structure of base of first metacarpal bone | Inferred relationship | Some |  | 
| Structure of base of first metacarpal bone of right hand (body structure) | Is a | True | Structure of base of first metacarpal bone | Inferred relationship | Some |  |