part of develops from start stage end stage posterior semicircular canal posterior crista primordium posterior crista caudal crista ZFA:0000478 Patch of thickened, pseudostratified epithelium that is associated with the posterior semicircular canal. It consists of regular arrays of sensory hair cells interspersed with supporting cells. The posterior crista has its own characteristic shape and polarity pattern. (See Anatomical Atlas entry for <a href='http://zfin.org/zf_info/anatomy/dict/sens/sens.html'>sensory patches of the ear</a> by T. Whitfield.) pc ZFA:0000566 TAO:0000566 posterior semicircular canal sensory patch posterior semicircular canal sensory patches zebrafish_anatomy posterior cristae posterior crista ampullaris otic epithelium larval:protruding-mouth adult