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 | 
| 151976010 | Upper third of trachea | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 509644017 | Structure of upper third of trachea | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 835119018 | Structure of upper third of trachea (body structure) | en | Fully specified name | Active | Entire term case insensitive | SNOMED CT core module | 
| 2871435012 | Cervical region of trachea | en | Synonym | Inactive | Only initial character case insensitive | SNOMED CT core module | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Structure of upper third of trachea | Is a | Structure of region of trachea | true | Inferred relationship | Existential restriction modifier | ||
| Structure of upper third of trachea | Is a | Tracheal part | false | Inferred relationship | Existential restriction modifier | ||
| Structure of upper third of trachea | Part of | Entire anterior portion of neck | false | Additional relationship | Existential restriction modifier | ||
| Structure of upper third of trachea | Part of | Entire trachea | false | Additional relationship | Existential restriction modifier | ||
| Structure of upper third of trachea | Is a | Structure of anterior portion of neck | true | Inferred relationship | Existential restriction modifier | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire upper third of trachea | Is a | True | Structure of upper third of trachea | Inferred relationship | Existential restriction modifier | 
This concept is not in any reference sets