Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 82978015 | Pneumatic mastoid cell | en | Synonym (core metadata concept) | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core | 
| 787536016 | Pneumatic mastoid cell (body structure) | en | Fully specified name | Inactive | Entire term case insensitive (core metadata concept) | SNOMED CT core | 
| 4626692013 | Structure of pneumatic mastoid cell (body structure) | en | Fully specified name | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core | 
| 4626693015 | Structure of pneumatic mastoid cell | en | Synonym (core metadata concept) | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Pneumatic mastoid cell | Is a | Structure of mastoid cell | true | Inferred relationship | Some | ||
| Pneumatic mastoid cell | partie de | Entire mastoid cells and antra | false | Additional relationship | Some | ||
| Pneumatic mastoid cell | Laterality | Side | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire pneumatic mastoid cell (body structure) | Is a | True | Pneumatic mastoid cell | Inferred relationship | Some | 
Reference Sets
Lateralizable body structure reference set (foundation metadata concept)
Anatomy structure and entire association reference set (foundation metadata concept)