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Medical Term:

arcuate zone


Definition: the inner third of the basilar membrane of the cochlear duct extending from the tympanic lip of the osseous spiral lamina to the outer pillar cell of the spiral organ (of Corti).

Synonym(s): zona arcuata, zona tecta

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