| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Open division, finger, metacarpophalangeal joint, radial collateral ligament | Is a | True | Open division finger ligament | Inferred relationship | Existential restriction modifier |  | 
| Open division, finger, metacarpophalangeal joint, ulnar collateral ligament | Is a | True | Open division finger ligament | Inferred relationship | Existential restriction modifier |  | 
| Open division, finger, proximal interphalangeal joint, radial collateral ligament | Is a | True | Open division finger ligament | Inferred relationship | Existential restriction modifier |  | 
| Open division, finger, proximal interphalangeal joint, ulnar collateral ligament | Is a | True | Open division finger ligament | Inferred relationship | Existential restriction modifier |  | 
| Open division, finger, distal interphalangeal joint, radial collateral ligament | Is a | True | Open division finger ligament | Inferred relationship | Existential restriction modifier |  | 
| Open division, finger, distal interphalangeal joint, ulnar collateral ligament | Is a | True | Open division finger ligament | Inferred relationship | Existential restriction modifier |  | 
| Open division finger ligament NOS | Is a | False | Open division finger ligament | Inferred relationship | Existential restriction modifier |  | 
| Open division finger ligament NOS | Is a | False | Open division finger ligament | Inferred relationship | Existential restriction modifier |  |