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List navigation
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| Home page | TAH partonomy |
| Top level |
skeletal system  Short Extended
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| Level 2 |
bones of cranium Short Extended
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| Level 3 |
temporal bone (pair) Short Extended
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| Current level |
petrosal part of temporal bone (pair)
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| Subsidiary language with Latin |
  
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| Non Latin primary language |
  
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Partonomy list
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| FMA | TA | UID | ISA |
Short English equivalent
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Short official Latin term
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| 52871 |
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545 | tax |
petrosal part of temporal bone (pair)
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pars petrosa ossis temporalis (par)
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| 55490 |
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546 | tax |
occipital margin of temporal bone (pair)
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margo occipitalis ossis temporalis (par)
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| 52872 |
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547 | tax |
mastoid process (pair)
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processus mastoideus (par)
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| 55493 |
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548 | tax |
mastoid notch (pair)
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incisura mastoidea (par)
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| 55499 |
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549 | tax |
groove of sigmoid sinus (pair)
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sulcus sinus sigmoidei (par)
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| 55496 |
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550 | tax |
groove of occipital artery (pair)
; occipital groove (pair)
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sulcus arteriae occipitalis (par)
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| 53159 |
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551 | tax |
mastoid foramen (pair)
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foramen mastoideum (par)
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| 54952 |
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552↓ | tax |
facial canal (pair)
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canalis nervi facialis (par)
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| 75762 |
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553↓ | tax |
geniculum of facial canal (pair)
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geniculum canalis nervi facialis (par)
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17024 |
labyrinthine segment (pair)
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segmentum labyrinthicum (par)
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17025 |
tympanic segment (pair)
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segmentum tympanicum (par)
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17026 |
pyramidal segment (pair)
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segmentum pyramidale (par)
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17027 |
mastoid segment (pair)
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segmentum mastoideum (par)
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14132↓ | tax |
anterior canaliculus of chorda tympani (pair)
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canaliculus anterior chordae tympani (par)
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| 56435 |
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554↓ | tax |
posterior canaliculus of chorda tympani (pair)
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canaliculus posterior chordae tympani (par)
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| 55710 |
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555 | tax |
apex of petrosal part of temporal bone (pair)
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apex partis petrosae ossis temporalis (par)
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| 55805 |
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556 | tax |
carotid canal (pair)
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canalis caroticus (par)
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| 53160 |
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557 | tax |
external opening of carotid canal (pair)
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apertura externa canalis carotici (par)
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| 53161 |
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558 | tax |
internal opening of carotid canal (pair)
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apertura interna canalis carotici (par)
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| 56438 |
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559 | tax |
caroticotympanic canaliculi (pair)
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canaliculi caroticotympanici (par)
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| 55808 |
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560 | tax |
musculotubal canal (pair)
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canalis musculotubarius (par)
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| 56439 |
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561 | tax |
semicanal of tensor tympani muscle (pair)
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semicanalis musculi tensoris membranae tympanicae (par)
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| 56442 |
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562 | tax |
semicanal of auditory tube (pair)
; bony auditory tube (pair)
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semicanalis tubae auditivae (par); semicanalis tubae auditoriae (par)
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| 75763 |
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563 | tax |
septum of musculotubal canal (pair)
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septum canalis musculotubarii (par)
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| 54950 |
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564 | tax |
anterior surface (pair)
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facies anterior (par)
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| 55966 |
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566 | tax |
arcuate eminence (pair)
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eminentia arcuata (par)
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| 56445 |
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567 | tax |
hiatus of greater petrosal nerve (pair)
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hiatus nervi petrosi majoris (par)
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| 55988 |
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568 | tax |
groove of greater petrosal nerve (pair)
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sulcus nervi petrosi majoris (par)
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| 56448 |
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569 | tax |
hiatus of lesser petrosal nerve (pair)
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hiatus nervi petrosi minoris (par)
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| 55977 |
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570 | tax |
groove of lesser petrosal nerve (pair)
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sulcus nervi petrosi minoris (par)
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| 55949 |
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571 | tax |
trigeminal impression (pair)
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impressio trigeminalis (par)
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| 56002 |
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565 | tax |
roof of tympanum (pair)
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tegmen tympani (par)
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| 55977 |
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12855 |
canal for lesser petrosal nerve (pair)
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canalis nervi petrosi minoris (par)
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10500 |
canal for greater petrosal nerve (pair)
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canalis nervi petrosi majoris (par)
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| 55502 |
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572 | tax |
superior border of petrosal part (pair)
; petrous ridge (pair)
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margo superior partis petrosae (par)
; crista petrosa (par)
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| 75052 |
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573 | tax |
groove of superior petrosal sinus (pair)
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sulcus sinus petrosi superioris (par)
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| 55939 |
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574 | tax |
posterior surface of petrosal part (pair)
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facies posterior partis petrosae (par)
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| 53162 |
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575 | tax |
internal acoustic opening (pair); internal auditory pore (pair)
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porus acusticus internus (par)
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| 56418 |
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577 | tax |
subarcuate fossa (pair)
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fossa subarcuata (par)
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| 56451 |
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578 | tax |
vestibular canaliculus (pair)
; vestibular aqueduct (pair)
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canaliculus vestibuli (par)
 ; aqueductus vestibularis (par)
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| 56421 |
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579 | tax |
external opening of vestibular canaliculus (pair)
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apertura externa canaliculi vestibuli (par)
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18486 | tax |
internal acoustic meatus
; internal auditory canal 
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meatus acusticus internus
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| 55505 |
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580 | tax |
posterior border of petrosal part (pair)
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margo posterior partis petrosae (par)
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| 75339 |
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581 | tax |
groove of inferior petrosal sinus (pair)
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sulcus sinus petrosi inferioris (par)
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| 56458 |
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582 | tax |
jugular notch of temporal bone (pair)
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incisura jugularis ossis temporalis (par)
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| 55709 |
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583 | tax |
inferior surface of petrosal part (pair)
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facies inferior partis petrosae (par)
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| 56429 |
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584 | tax |
jugular fossa (pair)
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fossa jugularis (par)
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| 56454 |
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585 | tax |
cochlear canaliculus (pair)
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canaliculus cochleae (par)
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| 56424 |
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586 | tax |
internal opening of cochlear canaliculus (pair)
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apertura interna canaliculi cochleae (par)
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| 56459 |
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587 | tax |
mastoid canaliculus (pair)
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canaliculus mastoideus (par)
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| 56458 |
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588 | tax |
jugular notch of petrosal part (pair)
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incisura jugularis partis petrosae (par)
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| 75764 |
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593 | tax |
petrosal fossa (pair)
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fossula petrosa (par)
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589 | tax |
intrajugular process of temporal bone (pair)
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processus intrajugularis ossis temporalis (par)
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| 52877 |
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590 | tax |
styloid process (pair)
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processus styloideus (par)
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| 55816 |
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591 | tax |
stylomastoid foramen (pair)
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foramen stylomastoideum (par)
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| 56460 |
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592↓ | tax |
inferior tympanic canaliculus (pair)
; tympanic canaliculus (pair)
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canaliculus tympanicus inferior (par)
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| 56461 |
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594 | tax |
tympanic cavity (pair)
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cavitas tympani (par)
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57 lines
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93.0 %
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91.2 %
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Scientific notes
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| UID |
Libelle of note
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| 552 |
The canalis facialis has four segments or parts (Lang J 1992 Klinische Anatomie des Ohres. Springer, Vienna, New York), labyrinthine, tympanic, pyramidal and mastoid.
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| 553 |
The space for the geniculum is also known as Fossa geniculata (Lang J 1992 Klinische Anatomie des Ohres. Springer, Vienna, New York).
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| 554 |
The chorda tympani passes from the facial canal through the posterior tympanic canaliculus to enter the tympanic cavity, then leaves through the anterior tympanic canaliculus to reach the petrotympanic fissure.
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| 592 |
The inferior tympanic canaliculus transmits the tympanic branch of the glossopharyngeal nerve, whereas the posterior and anterior tympanic canaliculi transmit the chorda tympani.
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| 14132 |
See note # 554
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Signature
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| Type of list | P4 |
| List Unit Identifier | 545 |
| Number of children | 168 (validated) |
| Number of units | 57 (validated) |
| Signature | 1912 (validated since 12.6.2025) |
| Date: 15.06.2025 |