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Medical Term:

ampullary crest


an elevation on the inner surface of the ampulla of each semicircular duct; filaments of the vestibular nerve pass through the crista to reach hair cells on its surface; the hair cells are capped by the cupula, a gelatinous protein-polysaccharide mass.

Synonym(s): crista ampullarisTA, acoustic crest, transverse septum1

See Also: neuroepithelium of ampullary crest

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.