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Medical Term:

tympanic aperture of canaliculus for chorda tympani


the small canal opening found lateral to the pyramidal eminence in the posterior wall of the middle ear cavity from which the chorda tympani nerve emerges to pass anteriorly between the ossicles accompanied by a branch of the stylomastoid artery.

Synonym(s): apertura tympanica canaliculi chordae tympaniTA, tympanic opening of canaliculus for chorda tympani

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.