Inferior tympanic canaliculus

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tympanic canaliculus
Gray141.png
Left temporal bone. Inferior surface. (tympanic canaliculus labeled at left, fourth from the top.)
Latin Canaliculus tympanicus
Gray's p.144
Anatomical terms of bone

In the bony ridge dividing the carotid canal from the jugular fossa is the small inferior tympanic canaliculus for the passage of the tympanic branch of the glossopharyngeal nerve and inferior tympanic artery which is a small branch of the ascending pharyngeal artery. Inferior tympanic canaliculus is near the fossula petrosa which houses inferior ganglion of glossopharyngeal nerve/petrous ganglion from which the tympanic nerve arises.

This article incorporates text from a public domain edition of Gray's Anatomy.