| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Entire lunula of thumb (body structure) | Is a | True | Structure of lunula of thumb (body structure) | Inferred relationship | Some | |
| Traumatic amputation thumb tip, type 4 (disorder) | Finding site | True | Structure of lunula of thumb (body structure) | Inferred relationship | Some | 1 |
Reference Sets
Lateralizable body structure reference set (foundation metadata concept)
Anatomy structure and entire association reference set (foundation metadata concept)