|  | 
|  List navigation | 
| Home page | TAH partonomy | 
| Top level | sensory organs  Short Extended | 
| Level 2 | vestibulocochlear organ (pair)  Short Extended | 
| Level 3 | external ear (pair)  Short Extended | 
| Current level | external acoustic meatus (pair)   | 
| Subsidiary language with Latin |       | 
| Non Latin primary language |       | 
|  Partonomy list | 
|  Scientific notes | 
| UID | 
                  Libelle of note
                 | 
| 8134 | 
                  New term; the isthmus meatus acustici externi is the narrowest part of the External acoustic meatus, located at the junction of the meatus acusticus externus cartilagineus and the bony part.
                 | 
| 8257 | 
                  See note # 8134
                 | 
|  Signature | 
| Type of list | P4 | 
| List Unit Identifier | 7146 | 
| Number of children | 41 (validated) | 
| Number of units | 14 (validated) | 
| Generic children | 2 | 
| Signature | 2351 (validated since 17.6.2018) | 
| Date: 25.06.2025 |