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 | 
| Periventricular gray matter | Is a | Brain part | false | Inferred relationship | Some | ||
| Periventricular gray matter | Part of | Entire brain | false | Additional relationship | Some | ||
| Periventricular gray matter | Is a | Gray matter structure of central nervous system (body structure) | false | Inferred relationship | Some | ||
| Periventricular gray matter | Is a | Structure of gray matter of brain (body structure) | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Structure of periventricular gray matter of hypothalamus | Is a | True | Periventricular gray matter | Inferred relationship | Some | |
| Structure of periventricular gray matter of thalamus | Is a | True | Periventricular gray matter | Inferred relationship | Some | |
| Entire periventricular gray matter (body structure) | Is a | True | Periventricular gray matter | Inferred relationship | Some | 
Reference Sets
Anatomy structure and entire association reference set (foundation metadata concept)
Dutch pathology simple reference set (foundation metadata concept)