Which of the following statements is true?
The tectorial membrane is a structure in the cochlea that hair cells interact with to produce action potentials.
Sound coming into the ear first encounters the cochlea.
The otolith organ carries signals from the inner ear to the brain.
Sound is mechanical energy that travels in the form of subatomic particles.
The tectorial membrane is a structure in the cochlea that hair cells interact with to produce action potentials.



Answer :

The correct statement is that tectorial membrane is a structure in the cochlea that hair cells interact with to produce action potentials.

The tectorial membrane is typically thought to play a mechanical role because of its close proximity to the stereocilia of the outer hair cells and its ability to affect the fluid flow around the inner hair cells, which ensures efficient stimulation of the sensory cells.

The basilar membrane and subsequently the organ of Corti are both activated by sound waves that travel to the inner ear. In turn, this displaces the stereocilia and starts the flow of transducer currents by causing a shearing motion between the tectorial membrane and the tips of the hair cells.

Hence, tectorial membrane is a structure in the cochlea.

To know more about Organ of Corti.

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