ampullary crest
(ăm′pə-lĕr′ē)- An elevation on the inner surface of the ampulla of each semicircular duct, through which filaments of the vestibular nerve pass to reach hair cells on the surface.
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.