Definition: a small depression on the inner wall of the vestibule of the labyrinth at the portion of the pyramid of vestibule, between the two limbs into which the vestibular crest divides posteriorly; it is perforated by foramina that provide passage to fibers that the cochlear branch of the vestibulocochlear nerve sends to the posterior extremity of the cochlear duct.
Synonym(s): recessus cochlearisTA, Reichert cochlear recess
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