[TA] sharp extension of the central portion of the spiral ligament that continues as the basilar membrane. Synonym(s): crista basalaris ductus cochlearis [TA], crista spiralis ductus cochlearis ☆ , spiral crest of cochlear duct ☆
ba·sal crest of co·chle·ar duct
(bāsăl krest koklē-ăr dŭkt) [TA] Sharp extension of central portion of the spiral ligament that continues as the basilar membrane.