Status: retired, Not sufficiently defined by necessary conditions definition status. Date: 31-Jul 2007. Module: SNOMED CT core module
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 476650012 | Circle of Willis and its branches | en | Synonym | Active | Only initial character case insensitive | SNOMED CT core module | 
| 741023015 | Circle of Willis and its branches (body structure) | en | Fully specified name | Active | Only initial character case insensitive | SNOMED CT core module | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Circle of Willis and its branches | Is a | Structure of branch of middle cerebral artery | false | Inferred relationship | Existential restriction modifier | ||
| Circle of Willis and its branches | Is a | Structure of branch of posterior cerebral artery | false | Inferred relationship | Existential restriction modifier | ||
| Circle of Willis and its branches | Part of | Entire arterial system | false | Additional relationship | Existential restriction modifier | ||
| Circle of Willis and its branches | Part of | Entire cerebrovascular system | false | Additional relationship | Existential restriction modifier | ||
| Circle of Willis and its branches | Part of | Entire thorax | false | Additional relationship | Existential restriction modifier | 
This concept is not in any reference sets