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
The function of stria vascularis is 
Select and explain. 
A. To produce perilymph, B. To absorb perilymph, C. To maintain the electronic milieu of endolymph, D. To produce endolymph
D: To produce endolymph
Answer: D: To produce endolymph 
Explanation: Cochlear duct: Also called membranous cochlea or the scala media. It is a blind coiled tube. It appears triangular on cross-section and its three walls areformed by:(a) the basilar membrane, which suppos the organ of Coi(b) the Reissner's membrane, which separates it from the scala vestibule; and(c) the stria vascularis, which contains vascular epithelium and is concerned with the secretion of endolymphRef: Dhingra; 6th edition; Page no: 10