[kok-lee-uh, koh-klee-uh] /ˈkɒk li ə, ˈkoʊ kli ə/
noun, plural cochleae
[kok-lee-ee, -lee-ahy, koh-klee-ee, ‐klee-ahy] /ˈkɒk liˌi, -liˌaɪ, ˈkoʊ kliˌi, ‐kliˌaɪ/ (Show IPA), cochleas. Anatomy.
a spiral-shaped cavity forming a division of the internal ear in humans and in most other mammals.
noun (pl) -leae (-lɪˌiː)
the spiral tube, shaped like a snail’s shell, that forms part of the internal ear, converting sound vibrations into nerve impulses
“spiral cavity of the inner ear,” 1680s, from Latin cochlea “snail shell,” from Greek kokhlias “snail, screw,” etc., from kokhlos “spiral shell,” perhaps related to konkhos “mussel, conch.”
cochlea coch·le·a (kŏk’lē-ə, kō’klē-ə)
n. pl. coch·le·as or coch·le·ae (-lē-ē’)
A spiral-shaped cavity in the petrous portion of the temporal bone of the inner ear, containing the nerve endings essential for hearing and forming one of the divisions of the labyrinth.
Plural cochleae (kŏk’lē-ē’, -lē-ī’) or cochleas
A spiral-shaped cavity of the inner ear and the main organ of hearing. The cochlea contains the nerve endings that transmit sound vibrations from the middle ear to the auditory nerve.
- Cochlear aqueduct
cochlear aqueduct n. See perilymphatic duct.
- Cochlear canal
cochlear canal n.
noun, Anatomy. 1. a spiral tube enclosed in the bony canal of the cochlea. cochlear duct n. A spiral membranous tube suspended within the cochlea, occupying the lower portion of the vestibular canal.
- Cochlear hair cell
cochlear hair cell n. A sensory cell in the spiral organ in synaptic contact with sensory as well as efferent fibers of the auditory nerve. Also called Corti’s cell.