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 |
| Structure of cartilaginous portion of Eustachian tube | Is a | Structure of pharyngotympanic tube (body structure) | true | Inferred relationship | Some | ||
| Structure of cartilaginous portion of Eustachian tube | Part of | Entire pharyngotympanic tube (body structure) | false | Additional relationship | Some | ||
| Structure of cartilaginous portion of Eustachian tube | Laterality | Side | true | Inferred relationship | Some |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Structure of cartilage of Eustachian tube | Is a | True | Structure of cartilaginous portion of Eustachian tube | Inferred relationship | Some | |
| Entire cartilaginous portion of Eustachian tube | Is a | True | Structure of cartilaginous portion of Eustachian tube | Inferred relationship | Some | |
| Structure of isthmus of Eustachian tube | Is a | True | Structure of cartilaginous portion of Eustachian tube | Inferred relationship | Some | |
| Cartilaginous eustachian tube obstruction | Finding site | False | Structure of cartilaginous portion of Eustachian tube | Inferred relationship | Some | 1 |
| Cartilaginous eustachian tube obstruction | Finding site | True | Structure of cartilaginous portion of Eustachian tube | Inferred relationship | Some | 1 |
| Membranous lamina of Eustachian tube | Is a | True | Structure of cartilaginous portion of Eustachian tube | Inferred relationship | Some |
Reference Sets
Lateralizable body structure reference set (foundation metadata concept)
Anatomy structure and entire association reference set (foundation metadata concept)