Definition of Cochlea

1. Noun. 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.

Generic synonyms: Tube, Tube-shaped Structure
Terms within: Basilar Membrane, Modiolus, Organ Of Corti
Group relationships: Inner Ear, Internal Ear, Labyrinth

Definition of Cochlea

1. n. An appendage of the labyrinth of the internal ear, which is elongated and coiled into a spiral in mammals. See Ear.

Definition of Cochlea

1. Noun. (anatomy) The complex, spirally coiled, tapered cavity of the inner ear in which sound vibrations are converted into nerve impulses. ¹

¹ Source:

Definition of Cochlea

1. a part of the ear [n -CHLEAE or -CHLEAS] : COCHLEAR [adj]

Medical Definition of Cochlea

1. The part of the internal ear that is concerned with hearing. It forms the anterior part of the labyrinth, is conical, and is placed almost horizontally anterior to the vestibule. (12 Dec 1998)

Lexicographical Neighbors of Cochlea

cochin china
cochineal fig
cochineal figs
cochineal insect
cochlea (current term)
cochlear aqueduct
cochlear area
cochlear branch of labyrinthine artery
cochlear canal
cochlear canaliculus
cochlear diseases
cochlear duct
cochlear ganglion
cochlear hair cell
cochlear hair cells
cochlear implant
cochlear implantation

Literary usage of Cochlea

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Text-book of Physiology: For Medical Students and Physicians by William Henry Howell (1907)
"Helmholtz assumes that the cochlea analyzes compound musical waves by an ... The Functions of the cochlea.—The vibratory movement, whatever may be its form, ..."

2. Dictionary of Philosophy and Psychology: Including Many of the Principal by James Mark Baldwin (1901)
"The last two branchlets are more properly separated from the cochlea! ... The ganglion (spirale) of the cochlear root lies in the axis of the bony cochlea. ..."

3. The Physiology of Man: Designed to Represent the Existing State of by Austin Flint (1875)
"In the anatomical description of the contents of the bony cochlea ... This is formed by the periosteum lining that portion of the cochlea and the under ..."

4. Quain's Elements of Anatomy by Jones Quain, William Sharpey, John Cleland, Allen Thomson (1867)
"cochlea. — The membranous cochlea has the form of a three-sided tube, ... The peripheral wall of this canal is formed by part of the osseous cochlea, ..."

5. Elements of Human Psychology by Howard Crosby Warren (1922)
"During the passage of the waves through the cochlea the cells of Corti are set into ... When a wave of a given length passes through the cochlea, it sets in ..."

6. Medical lexicon by Robley Dunglison (1860)
"cochlea'RE, Coch'lear, cochlea'rium, from cochlea; its bowl resembling a shell. ... A gelatinous looking tissue, «een on opening the cochlea, by which the ..."

7. Manual of Practical Anatomy by Daniel John Cunningham (1921)
"cochlea.—The cochlea is a tapering tube which is coiled spirally, for two turns and a half, around a central pillar, termed the modiolus. ..."

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