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vertical crest of internal acoustic meatus


Definition: bony ridge of the fundus of the internal acoustic meatus separating the superior vestibular area from the facial area above the more prominent transverse crest, and the inferior vestibular area from the cochlear area below the transverse crest.

Synonym(s): crista verticalis meatus acustici interniTA

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.