<prompt> Function of stria vascularis is?Perilymph secretionEndolymph secretionBoth perilymph and endolymph secretionCSF secretion  <response>: ANSWER: B Endolymph secretionREF: Dhingra 4th Ed Page 11, Scott-Browns Otorhinolaryngology, Head and Neck Surgery 7th ed vol 1 page 3187, Guyton 12th ed page 637See ENT 2013 Session 1 for physiology of Perilymph and Endolymph 