organ of Corti


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organ of Cor·ti

 (kôr′tē)
n.
A specialized structure located on the inner surface of the basilar membrane of the cochlea containing hair cells that transmit sound vibrations to the nerve fibers.

[After Alfonso Corti (1822-1888), Italian anatomist.]

organ of Corti

(ˈkɔːtɪ)
n
(Anatomy) the sense organ of the cochlea by which sounds are converted into nerve impulses
[named after Alfonso Corti (died 1876), Italian anatomist]

or′gan of Cor′ti

(ˈkɔr ti)

n.
a structure in the cochlea of the ear consisting of hair cells that serve as receptors for sound waves.
[1880–85; after Alfonso Corti (1822–76), Italian anatomist]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.organ of Corti - the hearing organ of the inner ear; contains receptors that respond to sound waves
hair cell - a sensory epithelial cell present in the organ of Corti
organ of hearing - the part of the ear that is responsible for sensations of sound
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
References in periodicals archive ?
The organ of Corti does the actual translation of mechanical energy into neuronal impulses via a fairly tedious though extraordinary process involving tiny hair cells.
ALMS1 in Ahlstrom Syndrome is expressed in most tissues like retinal photoreceptors, organ of corti, pancreatic islets, renal tubules, liver, widely in brain including hypothalamus.
The motion of fluid in the cochlea stimulates hair cells in the Organ of Corti which, in turn, generate action potentials that are transmitted via the cochlear nerve through the central auditory pathway to the auditory cortex.
Type I hair cells correspond to the inner hair cells of the organ of Corti, while Type II hair cells to the outer hair cells of the organ of Corti.
In a guinea pig experiment carried out by Watanabe et al, the presence of MPO was found in the lateral wall of the cochlea and in the cells of the organ of Corti 48 hours after bacterial lipopolysaccharide was injected into the middle ear.
Sensorineural hearing loss was defined and its mechanism is attributed to deposition of exfoliation material in the organ of Corti or its vascular supply (7).
Constant exposure to noise at high levels causes certain changes, particularly in the organ of corti, which is located in the inner ear.
Histopathological studies of temporal bone fractures reveal a variety of injuries such as complete destruction of the organ of Corti and stria vascularis, loss of hair and ganglion cells, hemorrhage into the cochlear duct, and labyrinthitis ossificans (3,4).
Excessive noise exposure can lead to metabolic and/or mechanical effects resulting in alterations of the structural elements of the organ of Corti [the inner ear organ in mammals that contains auditory sensory cells or 'hair cells']," The Telegraph quoted Hannah Kempler, of Ghent University, Belgium as saying.
The ototoxicity, however, is permanent and is due to the death of the outer hair cells in the organ of Corti of the cochlea and type I sensory cells in the vestibular organ (MIM 580000).