Inner ear contain endolymph and perilymph. Which of the following structure of the inner ear produces endolymph?
Is a filtrate of blood serum
Is secreted by Stria vascularis
Is secreted by Basilar membrane
Is secreted by Hair cells
Endolymph fills the entire membranous labyrinth and resembles intracellular fluid, being rich in K ions. It is secreted by the secretory cells of the stria vascularis of the cochlea and by the dark cells (present in the utricle and near the ampullated ends of semicircular ducts).