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 | 
| 93690011 | External os | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 93691010 | Ostium uteri | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 93692015 | Cervical os | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 497591015 | External os structure | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 497592010 | External os of cervix | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 794841014 | External os structure (body structure) | en | Fully specified name | Active | Entire term case insensitive | SNOMED CT core module | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| External os structure | Is a | Structure of anatomical orifice | false | Inferred relationship | Existential restriction modifier | ||
| External os structure | Is a | Structure of os of cervix | true | Inferred relationship | Existential restriction modifier | ||
| External os structure | Is a | Exocervical structure | true | Inferred relationship | Existential restriction modifier | ||
| External os structure | Part of | Entire ectocervix | false | Additional relationship | Existential restriction modifier | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire external os | Is a | True | External os structure | Inferred relationship | Existential restriction modifier | |
| Structure of posterior lip of cervix | Is a | True | External os structure | Inferred relationship | Existential restriction modifier | |
| Structure of anterior lip of cervix | Is a | True | External os structure | Inferred relationship | Existential restriction modifier | 
This concept is not in any reference sets