<prompt> Organ of corti is situated in -Basilar membraneUtricleSacculeNone of the above  <response>: Ans. is a i.e., Basilar membrane o Scala media cochlear duct or membranous labyrinth has 3 walls : -The basilar membrane, which supports the organ of corti.The Reissners membrane which separates it from the scala vestibuli.The stria vascularis which contains vascular epithelium and is concerned with secretion of endolymph. 