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 | 
| 124633013 | Arachnoid | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 124634019 | Arachnoid, NOS | en | Synonym | Inactive | Only initial character case insensitive | SNOMED CT core module | 
| 502880018 | Arachnoid structure | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 815608010 | Arachnoid structure (body structure) | en | Fully specified name | Active | Entire term case insensitive | SNOMED CT core module | 
| 1495431010 | Arachnoid mater | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Arachnoid structure | Is a | Leptomeninges structure | true | Inferred relationship | Existential restriction modifier | ||
| Arachnoid structure | Part of | Entire leptomeninges | false | Additional relationship | Existential restriction modifier | 
This concept is not in any reference sets