The first membrane in the cochlea to receive vibrations directly from the stirrup is the:

Question

Quizplus · Accepted Answer

The oval window is the membrane that receives vibrations directly from the stapes (or stirrup) bone. This initiates the process of sound transduction in the cochlea. The other listed membranes (tectorial, basilar, tympanic, and round window) are also involved in the process of sound transduction, but they do not directly receive vibrations from the stirrup bone.

The First Membrane in the Cochlea to Receive Vibrations Directly