| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Fenestration of oval window, ear canal | Is a | Procedure on middle ear | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Procedure on inner ear | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Musculoskeletal system surgical procedure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Inner ear and/or eustachian canal operations | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Procedure on skeletal system | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Construction of window | true | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Operation on musculoskeletal system | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Method | Construction - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Fenestration of oval window, ear canal | Procedure site | Vestibular window structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Fenestration of oval window, ear canal | Method | Fenestration - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Fenestration of oval window, ear canal | Is a | Operation on bone of skull | true | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Method | Surgical action | false | Inferred relationship | Existential restriction modifier | 5 |  | 
| Fenestration of oval window, ear canal | Procedure site | Bone structure of cranium | false | Inferred relationship | Existential restriction modifier | 5 |  | 
| Fenestration of oval window, ear canal | Is a | Inner ear and/or eustachian canal operations | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Repair of bone | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Musculoskeletal system surgical procedure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Surgical repair of head and neck structure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Operative procedure on middle ear | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Operation on cochlea | true | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Repair of middle ear | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Surgical repair of inner ear | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Procedure on temporal bone | true | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Operative procedure on middle ear | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Mastoid and middle ear procedure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Inner ear and/or eustachian canal operations | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Cranium and facial bone operations | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Procedure site - Direct | Vestibular window structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Fenestration of oval window, ear canal | Method | Surgical action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Fenestration of oval window, ear canal | Procedure site | Bone structure of cranium | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Fenestration of oval window, ear canal | Procedure site - Direct | Vestibular window structure | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Fenestration of oval window, ear canal | Method | Fenestration - action | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Fenestration of oval window, ear canal | Is a | Surgical procedure on middle and inner ear | true | Inferred relationship | Existential restriction modifier |  |  | 
| Fenestration of oval window, ear canal | Is a | Mastoid and middle ear operations | true | Inferred relationship | Existential restriction modifier |  |  |