Acoustic crest

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Acoustic crest --> ampullary crest

An elevation on the inner surface of the ampulla of each saemicircular 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: crista ampullaris, acoustic crest, transverse septum.