| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| [X]Extradural and subdural abscess, unspecified | Is a | Infectious disease of central nervous system | false | Inferred relationship | Existential restriction modifier |  |  | 
| [X]Extradural and subdural abscess, unspecified | Is a | Abscess of nervous system | false | Inferred relationship | Existential restriction modifier |  |  | 
| [X]Extradural and subdural abscess, unspecified | Is a | [X]Inflammatory diseases of the central nervous system | false | Inferred relationship | Existential restriction modifier |  |  | 
| [X]Extradural and subdural abscess, unspecified | Causative agent | Pathogenic organism | false | Inferred relationship | Existential restriction modifier |  |  | 
| [X]Extradural and subdural abscess, unspecified | Causative agent | Infectious agent | false | Inferred relationship | Existential restriction modifier |  |  | 
| [X]Extradural and subdural abscess, unspecified | Pathological process | Infectious disease | false | Inferred relationship | Existential restriction modifier |  |  | 
| [X]Extradural and subdural abscess, unspecified | Finding site | Structure of central nervous system | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| [X]Extradural and subdural abscess, unspecified | Associated morphology | Abscess | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| [X]Extradural and subdural abscess, unspecified | Causative agent | Infectious agent | false | Inferred relationship | Existential restriction modifier |  |  | 
| [X]Extradural and subdural abscess, unspecified | Associated morphology | Inflammatory morphology | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| [X]Extradural and subdural abscess, unspecified | Finding site | Structure of nervous system | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| [X]Extradural and subdural abscess, unspecified | Associated morphology | Abscess | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| [X]Extradural and subdural abscess, unspecified | Finding site | Structure of central nervous system | false | Inferred relationship | Existential restriction modifier | 1 |  |