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 | 
| Cranial nerve root | Is a | Cranial nerve structure | false | Inferred relationship | Some | ||
| Cranial nerve root | Part of | Entire nervous system | false | Inferred relationship | Some | ||
| Cranial nerve root | Part of | Entire head | false | Additional relationship | Some | ||
| Cranial nerve root | Is a | Nerve root structure | true | Inferred relationship | Some | ||
| Cranial nerve root | Part of | Entire peripheral nerve | false | Additional relationship | Some | ||
| Cranial nerve root | Is a | Cranial nerve part | true | Inferred relationship | Some | ||
| Cranial nerve root | Laterality | Side | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Root of trigeminal nerve | Is a | True | Cranial nerve root | Inferred relationship | Some | |
| Root of facial nerve | Is a | True | Cranial nerve root | Inferred relationship | Some | |
| Root of accessory nerve | Is a | True | Cranial nerve root | Inferred relationship | Some | |
| Entire cranial nerve root (body structure) | Is a | True | Cranial nerve root | Inferred relationship | Some | 
Reference Sets
Lateralizable body structure reference set (foundation metadata concept)
Anatomy structure and entire association reference set (foundation metadata concept)
Description inactivation indicator reference set