inner ear n.
The portion of the ear within the temporal bone that is involved in hearing and balance and includes the semicircular canals, vestibule, and cochlea. Also called internal ear, labyrinth.
|inner ear (ĭn'ər) Pronunciation Key
The innermost part of the ear in many vertebrate animals, consisting of the cochlea, the semicircular canals, and the vestibule. sound vibrations are transmitted from the cochlea of the inner ear to the brain by the auditory nerve. The semicircular canals and the vestibule are the body's organs of balance. See more at ear1.