Reviewed: one independent reader; copy check clear.
oval window
oval window The oval window is an opening in the outer wall of the inner ear’s vestibule, a bony space within the labyrinth.
The oval window is an opening in the outer wall of the inner ear’s vestibule, a bony space within the labyrinth. It is filled by the base of the stapes from the middle ear and lies near the cochlea and semicircular canals.