... PHARMACOKINETICS OF CAROVERINE AND ITS PROTECTIVE AND THERAPEUTIC ROLES IN NOISEINDUCED HEARING LOSS FOLLOWING ROUND WINDOW ADMINISTRATION IN THE GUINEA PIG ZHIQIANG CHEN (Bachelor of Medicine) ... similar profiles of the CSF Permeability of round window membrane The round window membrane (RWM) is located in medial wall of the middle ear, within the round window niche (Fig 5) The round window ... in the temporal bone, the oval and round windows The innermost middle ear ossicle, the stapes, is inserted in the oval window, and a flexible membrane covers the round window On the inside, the...