Vibrations of fenestra ovalis are transmitted to

Options

A. Perilymph of scala vestibuli
B. Perilymph of scala tympani
C. Endolymph of scala media
D. Endolymph of scala vestibule

Answer

A

Explanation

The movement of the stapes at the oval window sets up fluid pressure waves in the perilymph of the cochlea. Pressure waves set up as the oval window bulges inward, it pushes on the perilymph of the scala vestibule.