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 | 
| 40109016 | Myelin sheath | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 40110014 | Myelin sheath, NOS | en | Synonym | Inactive | Only initial character case insensitive | SNOMED CT core module | 
| 481749012 | Myelin sheath structure | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 753450017 | Myelin sheath structure (body structure) | en | Fully specified name | Inactive | Only initial character case insensitive | SNOMED CT core module | 
| 1187084015 | Myelin sheath structure (cell structure) | en | Fully specified name | Active | Entire term case insensitive | SNOMED CT core module | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Myelin sheath structure | Is a | Subcellular structure | true | Inferred relationship | Existential restriction modifier | ||
| Myelin sheath structure | Is a | Myelinated nerve fiber structure | true | Inferred relationship | Existential restriction modifier | ||
| Myelin sheath structure | Part of | Entire myelinated nerve fiber | false | Additional relationship | Existential restriction modifier | ||
| Myelin sheath structure | Part of | Neurilemma cell | false | Additional relationship | Existential restriction modifier | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire myelin sheath | Is a | True | Myelin sheath structure | Inferred relationship | Existential restriction modifier | |
| Ranvier's node | Is a | True | Myelin sheath structure | Inferred relationship | Existential restriction modifier | |
| Peripheral nerve myelin sheath | Is a | True | Myelin sheath structure | Inferred relationship | Existential restriction modifier | |
| Acute viral transverse myelitis | Finding site | False | Myelin sheath structure | Inferred relationship | Existential restriction modifier | |
| Varicella transverse myelitis | Finding site | False | Myelin sheath structure | Inferred relationship | Existential restriction modifier | 
This concept is not in any reference sets