ENT Inner ear contain endolymph and perilymph. Which of the following structure of the inner ear produces endolymph? A Is a filtrate of blood serum B Is secreted by Stria vascularis C Is secreted by Basilar membrane D Is secreted by Hair cells 💡 Explanation Inner ear contain endolymph and perilymph. Which of the following structure of the inner ear produces endolymph? ✓ Correct Answer: B. Is secreted by Stria vascularis