arcuate zone

arcuate zone definition - medical

arcuate zone

noun
The inner third of the basilar membrane of the cochlear duct, from the tympanic lip of the osseous spiral lamina to the outer pillar cell of the spiral organ. Also called zona tecta.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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