| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Open fracture thoracic vertebra, posterior arch | Is a | Open fracture thoracic vertebra | true | Inferred relationship | Existential restriction modifier |  |  | 
| Open fracture thoracic vertebra, posterior arch | Is a | Fracture of neural arch | true | Inferred relationship | Existential restriction modifier |  |  | 
| Open fracture thoracic vertebra, posterior arch | Associated morphology | Fracture, open | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Open fracture thoracic vertebra, posterior arch | Finding site | Structure of arch of thoracic vertebra | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Open fracture thoracic vertebra, posterior arch | Communication with wound | Open injury | false | Inferred relationship | Existential restriction modifier |  |  | 
| Open fracture thoracic vertebra, posterior arch | Associated morphology | Fracture | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Open fracture thoracic vertebra, posterior arch | Finding site | Bone structure of thoracic vertebra | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Open fracture thoracic vertebra, posterior arch | Finding site | Structure of arch of thoracic vertebra | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Open fracture thoracic vertebra, posterior arch | Associated morphology | Fracture, open | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Open fracture thoracic vertebra, posterior arch | Due to | Traumatic event | true | Inferred relationship | Existential restriction modifier | 2 |  |