tympanic canaliculus | |
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Details | |
Identifiers | |
Latin | canaliculus tympanicus [1] |
TA98 | A02.1.06.049 |
TA2 | 685 |
FMA | 56460 |
Anatomical terms of bone |
The tympanic canaliculus [1] (also tympanic canal, [2] inferior tympanic canaliculus, [3] temporal canaliculus, [4] or Jacobson canal [2]) is a minute canal [2] in the bony wedge [2]/ridge [3] that separates the carotid canal [2] [3] and jugular foramen [2]/ jugular fossa. [3] The proximal opening of the canal is situated upon the inferior surface of the petrous part of the temporal bone; its distal opening is situated upon the floor of the tympanic cavity. [2] The canal gives passage to the tympanic nerve i.e. tympanic branch of glossopharyngeal nerve (CN IX)), [2] [3] [4] and inferior tympanic artery. [4]
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