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List navigation
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| Home page | TNA partonomy |
| Top level |
nervous system 
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| Level 2 |
vestibulocochlear organ (pair) Short Extended
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| Level 3 |
internal ear (pair) Short Extended
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| Current level |
internal acoustic meatus (pair)
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| Subsidiary language with Latin | English French Spanish Russian |
| Non Latin primary language | English French Spanish Russian |
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Partonomy list
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| FMA | TA | TID | UID |
Short English equivalent
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Short official Latin term
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| 53163 |
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35287 | 576 |
internal acoustic meatus (pair)
; internal auditory canal (pair)
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meatus acusticus internus (par)
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| 53162 |
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35290 | 575 |
internal acoustic pore (pair)
; internal auditory pore (pair)
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porus acusticus internus (par)
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| 77753 |
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26111 | 7291 |
fundus of internal acoustic meatus (pair)
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fundus meatus acustici interni (par)
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| 77747 |
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31052 | 7292 |
transverse crest (pair)
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crista transversa (par)
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| 77749 |
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31055 | 7294↓ |
vertical crest (pair)
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crista verticalis (par)
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| 77748 |
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31049 | 7293 |
facial area (pair)
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area facialis (par)
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| 77750 |
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31058 | 7295 |
superior vestibular area (pair)
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area vestibularis superior (par)
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| 77751 |
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31061 | 7296 |
inferior vestibular area (pair)
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area vestibularis inferior (par)
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| 75352 |
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31064 | 7297 |
singular foramen (pair)
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foramen singulare (par)
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| 77752 |
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31067 | 7298 |
cochlear area (pair)
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area cochlearis (par)
; area cochleae (par)
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| 77746 |
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31070 | 7299 |
foraminous spiral tract (pair)
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tractus spiralis foraminosus (par)
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11 lines
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100.0 %
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100.0 %
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Scientific notes
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| UID |
Libelle of note
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| 7294 |
In ENT Surgery, the Crista verticalis is known as 'Bill's bar' (after William House). It separates the Superior portion of the meatus into an anterior channel for the Facial nerve and a posterior channel for the Superior vestibular nerve.
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Signature
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| Type of list | P4 |
| List Unit Identifier | 576 |
| Number of children | 32 (validated) |
| Number of units | 11 (validated) |
| Invalid signature | 1741 (stored value 1739) |
| Date: 10.09.2021 |