| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Left common carotid artery structure | Is a | False | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left external carotid artery | Is a | False | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left internal carotid artery | Is a | False | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left anterior cerebral artery | Is a | False | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left posterior cerebral artery | Is a | False | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left middle cerebral artery | Is a | False | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left vertebral artery | Is a | True | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left lacrimal artery | Is a | False | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left lacrimal artery | Is a | True | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left anterior cerebral artery | Is a | True | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left posterior cerebral artery | Is a | True | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left middle cerebral artery | Is a | True | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left external carotid artery | Is a | False | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left internal carotid artery | Is a | False | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left carotid artery | Is a | True | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of branch of retinal artery of left eye | Is a | False | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of retinal artery of left eye | Is a | True | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left cervical vertebral artery | Is a | True | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left pontine artery | Is a | True | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left cerebellar artery | Is a | True | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left posterior communicating artery | Is a | True | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  | 
| Structure of left cilioretinal artery | Is a | True | Structure of artery of left half of head, neck and/or brain | Inferred relationship | Existential restriction modifier |  |