Status: current, Not sufficiently defined by necessary conditions definition status. Date: 31-Jan 2002. Module: SNOMED CT core module
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 146890015 | Aortic isthmus | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 508110019 | Structure of aortic isthmus | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 831309010 | Structure of aortic isthmus (body structure) | en | Fully specified name | Active | Entire term case insensitive | SNOMED CT core module | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Structure of aortic isthmus | Is a | Ascending aorta structure | true | Inferred relationship | Existential restriction modifier | ||
| Structure of aortic isthmus | Is a | Aortic arch structure | true | Inferred relationship | Existential restriction modifier | ||
| Structure of aortic isthmus | Is a | External anatomical feature | false | Inferred relationship | Existential restriction modifier | ||
| Structure of aortic isthmus | Part of | Entire aortic arch | false | Additional relationship | Existential restriction modifier | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire aortic isthmus | Is a | True | Structure of aortic isthmus | Inferred relationship | Existential restriction modifier | 
This concept is not in any reference sets