<prompt> Stria vascularis are seen inVestibuleUtricleCochleaMiddle ear  <response>: Ans. c CochleaRef: Dhingras ENT 5th ed. 12 Upon taking the section of cochlea, we see 3 compartments and 3 membranes: Scala vestibuli: contains perilymph Scala media: contains endolymph Scala tympani: contains perilymph 3 membranes are: Reissners membrane: separates scala vestibule from scala media. Basilar membrane: separates scala tympani from scala media. Also supports organ of corti. Stria vascularis: on the wall of scala media. Converts perilymph into endolymph. 