inner ear(redirected from Ear, inner)
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The portion of the ear located within the temporal bone that is involved in both hearing and balance and includes the semicircular canals, vestibule, and cochlea. Also called internal ear, labyrinth.
the inner, liquid-filled, membranous portion of the ear, involved in hearing and balance.
The innermost part of the ear in many vertebrate animals, consisting of the cochlea and semicircular canals. It transmits sound vibrations to the brain and is also the organ of balance. See more at ear1.
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|Noun||1.||inner ear - a complex system of interconnecting cavities; concerned with hearing and equilibrium|
neuroepithelium - epithelium associated with special sense organs and containing sensory nerve endings
sense organ, sensory receptor, receptor - an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation
auditory apparatus - all of the components of the organ of hearing including the outer and middle and inner ears
membranous labyrinth - the sensory structures of the inner ear including the labyrinthine receptors and the cochlea; contained within the bony labyrinth
bony labyrinth, osseous labyrinth - cavity in the petrous part of the temporal bone that contains the membranous labyrinth
endolymph - the bodily fluid that fills the membranous labyrinth of the inner ear
perilymph - the bodily fluid that fills the space between the bony labyrinth and the membranous labyrinth of the inner ear
semicircular canal - one of three tube loops filled with fluid and in planes nearly at right angles with one another; concerned with equilibrium
cochlea - the snail-shaped tube (in the inner ear coiled around the modiolus) where sound vibrations are converted into nerve impulses by the organ of Corti
artery of the labyrinth, internal auditory artery, labyrinthine artery - an artery that is a branch of the basilar artery that supplies the labyrinth