| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire metatarsophalangeal joint | Is a | True | Metatarsophalangeal joint structure | Inferred relationship | Some |  | 
| Metatarsophalangeal joint structure of lesser toe | Is a | True | Metatarsophalangeal joint structure | Inferred relationship | Some |  | 
| Structure of capsule of metatarsophalangeal joint | Is a | True | Metatarsophalangeal joint structure | Inferred relationship | Some |  | 
| First metatarsophalangeal joint structure | Is a | True | Metatarsophalangeal joint structure | Inferred relationship | Some |  | 
| Structure of ligament of metatarsophalangeal joint | Is a | True | Metatarsophalangeal joint structure | Inferred relationship | Some |  | 
| Flexion contracture of metatarsophalangeal joint | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Ankylosis of metatarsophalangeal joint | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Closed fracture subluxation of single metatarsophalangeal joint (disorder) | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Closed fracture subluxation of multiple metatarsophalangeal joints (disorder) | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Accessory mobilization of the metatarsophalangeal joints | Procedure site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Physiological mobilisation of the metatarsophalangeal joints | Procedure site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Manipulation of the metatarsophalangeal joints - non-surgical | Procedure site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Metatarsophalangeal joint arthrogram | Procedure site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Metatarsophalangeal joint pain | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Metatarsophalangeal joint effusion | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Metatarsophalangeal joint inflamed | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Metatarsophalangeal joint hypermobility | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some |  | 
| Metatarsophalangeal joint laxity | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Metatarsophalangeal joint stiff | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Closed fracture dislocation of metatarsophalangeal joint | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Open fracture dislocation of metatarsophalangeal joint (disorder) | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Arthrotomy with drainage of metatarsophalangeal joint | Procedure site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Windgall | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some |  | 
| Amputation of toe at metatarsophalangeal joint | Procedure site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Reduction of closed metatarsophalangeal joint dislocation | Procedure site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Closed traumatic dislocation of metatarsophalangeal joint (disorder) | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Arthrotomy with exploration of metatarsophalangeal joint | Procedure site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Open dislocation of metatarsophalangeal joint | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Extension contracture of metatarsophalangeal joint (disorder) | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Closed traumatic dislocation, metatarsophalangeal joint, single | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Closed traumatic dislocation, metatarsophalangeal joint, multiple | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Open traumatic dislocation, metatarsophalangeal joint, single | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Open traumatic dislocation, metatarsophalangeal joint, multiple | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Closed traumatic subluxation, metatarsophalangeal joint, single | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Closed traumatic subluxation of multiple metatarsophalangeal joints (disorder) | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Open traumatic subluxation, metatarsophalangeal joint, single | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Open traumatic subluxation of multiple metatarsophalangeal joints | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Open fracture subluxation of single metatarsophalangeal joint | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Open fracture subluxation of multiple metatarsophalangeal joints (disorder) | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Open fracture subluxation of single metatarsophalangeal joint | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Open fracture subluxation of multiple metatarsophalangeal joints (disorder) | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Closed fracture dislocation of single metatarsophalangeal joint | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Closed fracture dislocation of multiple metatarsophalangeal joints (disorder) | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Open fracture dislocation of single metatarsophalangeal joint | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Open fracture dislocation of multiple metatarsophalangeal joints (disorder) | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Open fracture subluxation of single metatarsophalangeal joint | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Open fracture subluxation of multiple metatarsophalangeal joints (disorder) | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Open fracture subluxation of multiple metatarsophalangeal joints (disorder) | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Open fracture subluxation of single metatarsophalangeal joint | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Open fracture subluxation of multiple metatarsophalangeal joints (disorder) | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Open fracture subluxation of single metatarsophalangeal joint | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Arthrotomy with drainage of metatarsophalangeal joint | Procedure site - Indirect (attribute) | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Computed tomography arthrography of metatarsophalangeal joint (procedure) | Procedure site - Direct (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Fluoroscopic arthrography of metatarsophalangeal joint (procedure) | Procedure site - Direct (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Accessory mobilization of the metatarsophalangeal joints | Procedure site - Direct (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Physiological mobilisation of the metatarsophalangeal joints | Procedure site - Direct (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Manipulation of the metatarsophalangeal joints - non-surgical | Procedure site - Direct (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Metatarsophalangeal joint arthrogram | Procedure site - Direct (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Arthrotomy with drainage of metatarsophalangeal joint | Procedure site - Direct (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Amputation of toe at metatarsophalangeal joint | Procedure site - Direct (attribute) | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Reduction of closed metatarsophalangeal joint dislocation | Procedure site - Direct (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Arthrotomy with exploration of metatarsophalangeal joint | Procedure site - Direct (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Arthrotomy with removal of foreign body of metatarsophalangeal joint | Procedure site - Direct (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Arthrotomy with removal of loose body of metatarsophalangeal joint | Procedure site - Indirect (attribute) | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Arthrotomy with removal of foreign body of metatarsophalangeal joint | Procedure site - Indirect (attribute) | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Arthrotomy with removal of loose body of metatarsophalangeal joint | Procedure site - Direct (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Closed traumatic subluxation, metatarsophalangeal joint, single | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Closed traumatic subluxation of multiple metatarsophalangeal joints (disorder) | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Open traumatic dislocation, metatarsophalangeal joint, single | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Open fracture dislocation of multiple metatarsophalangeal joints (disorder) | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Open traumatic dislocation, metatarsophalangeal joint, multiple | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Open fracture subluxation of single metatarsophalangeal joint | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 3 | 
| Open traumatic subluxation of multiple metatarsophalangeal joints | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Open traumatic subluxation, metatarsophalangeal joint, single | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Accessory mobilization of the metatarsophalangeal joints | Procedure site - Direct (attribute) | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Closed traumatic dislocation, metatarsophalangeal joint, multiple | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Ankylosis of metatarsophalangeal joint | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Closed fracture dislocation of metatarsophalangeal joint | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 3 | 
| Arthrotomy with removal of foreign body of metatarsophalangeal joint | Procedure site - Direct (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Arthrotomy with removal of foreign body of metatarsophalangeal joint | Procedure site - Indirect (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Physiological mobilisation of the metatarsophalangeal joints | Procedure site - Direct (attribute) | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Closed fracture subluxation of single metatarsophalangeal joint (disorder) | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 3 | 
| Closed fracture dislocation of multiple metatarsophalangeal joints (disorder) | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 3 | 
| Closed fracture subluxation of multiple metatarsophalangeal joints (disorder) | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 3 | 
| Closed fracture dislocation of single metatarsophalangeal joint | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 3 | 
| Open fracture dislocation of metatarsophalangeal joint (disorder) | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Reduction of closed metatarsophalangeal joint dislocation | Procedure site - Direct (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Metatarsophalangeal joint inflamed | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Arthrotomy with removal of loose body of metatarsophalangeal joint | Procedure site - Direct (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Arthrotomy with removal of loose body of metatarsophalangeal joint | Procedure site - Indirect (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Arthrotomy with drainage of metatarsophalangeal joint | Procedure site - Direct (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Arthrotomy with drainage of metatarsophalangeal joint | Procedure site - Indirect (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Open fracture dislocation of single metatarsophalangeal joint | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 2 | 
| Extension contracture of metatarsophalangeal joint (disorder) | Finding site | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Closed traumatic dislocation, metatarsophalangeal joint, single | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Open dislocation of metatarsophalangeal joint | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Amputation of toe at metatarsophalangeal joint | Procedure site - Direct (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Metatarsophalangeal joint effusion | Finding site | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Manipulation of the metatarsophalangeal joints - non-surgical | Procedure site - Direct (attribute) | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Arthrotomy with exploration of metatarsophalangeal joint | Procedure site - Direct (attribute) | False | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 | 
| Fluoroscopic arthrography of metatarsophalangeal joint (procedure) | Procedure site - Direct (attribute) | True | Metatarsophalangeal joint structure | Inferred relationship | Some | 1 |