Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Structure of embryonic ependymal layer | Is a | Epithelium | true | Inferred relationship | Some | ||
| Structure of embryonic ependymal layer | Is a | Neural tube structure | true | Inferred relationship | Some | ||
| Structure of embryonic ependymal layer | Part of | Entire neural tube | false | Additional relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire embryonic ependymal layer | Is a | True | Structure of embryonic ependymal layer | Inferred relationship | Some | 
Reference Sets
Anatomy structure and entire association reference set (foundation metadata concept)