Status: retired, Not sufficiently defined by necessary conditions definition status. Date: 31-Jan 2004. Module: SNOMED CT core module
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module |
| 68202014 | Median aperture of fourth ventricle | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module |
| 68203016 | Magendie's foramen | en | Synonym | Active | Entire term case sensitive | SNOMED CT core module |
| 777617010 | Median aperture of fourth ventricle (body structure) | en | Fully specified name | Active | Entire term case insensitive | SNOMED CT core module |
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values |
| Median aperture of fourth ventricle | Is a | Fourth ventricle structure | false | Inferred relationship | Existential restriction modifier | ||
| Median aperture of fourth ventricle | Is a | Structure of anatomical orifice | false | Inferred relationship | Existential restriction modifier | ||
| Median aperture of fourth ventricle | Part of | Entire fourth ventricle | false | Inferred relationship | Existential restriction modifier |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Atresia of foramen of Magendie | Finding site | False | Median aperture of fourth ventricle | Inferred relationship | Existential restriction modifier | 2 |
This concept is not in any reference sets