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 | 
| Reticular activating system structure | Is a | Brainstem structure | false | Inferred relationship | Some | ||
| Reticular activating system structure | Part of | Entire brainstem | false | Additional relationship | Some | ||
| Reticular activating system structure | Is a | Brain stem part (body structure) | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Structure of reticular formation of medulla oblongata | Is a | True | Reticular activating system structure | Inferred relationship | Some | |
| Entire reticular activating system | Is a | True | Reticular activating system structure | Inferred relationship | Some | |
| Structure of reticular formation of spinal cord | Is a | True | Reticular activating system structure | Inferred relationship | Some | |
| Structure of reticular formation of midbrain | Is a | True | Reticular activating system structure | Inferred relationship | Some | |
| Structure of reticular formation of pons | Is a | True | Reticular activating system structure | Inferred relationship | Some | 
Reference Sets
Anatomy structure and entire association reference set (foundation metadata concept)