Shearing force occurs on the stereocilia of the inner hair cells because of movement of the

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Shearing force occurs on the stereocilia of the inner hair cells because of the movement of the basilar and tectorial membranes. The basilar membrane moves up and down due to vibrations in the fluid of the cochlea, while the tectorial membrane remains relatively stationary, causing the stereocilia to bend and trigger the release of neurotransmitters. The movement of the tympanic membrane and the oval window are involved in transmitting sound waves to the fluid of the cochlea but do not directly cause shearing force on the stereocilia.

Shearing Force Occurs on the Stereocilia of the Inner Hair