This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
[{'content': 'Stria vascularis are seen in \nSelect and explain. \nA. Vestibule, B. Utricle, C. Cochlea, D. Middle ear', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. (c) CochleaRef: Dhingra's 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:# Reissner's 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.", 'role': 'assistant'}]