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Organ of Corti information


Organ of Corti
A cross section of the cochlea illustrating the organ of Corti
Details
Part ofCochlea of the inner ear
Identifiers
Latinorganum spirale
MeSHD009925
NeuroLex IDbirnlex_2526
TA98A15.3.03.121
TA27035
FMA75715
Anatomical terminology
[edit on Wikidata]

The organ of Corti, or spiral organ, is the receptor organ for hearing and is located in the mammalian cochlea. This highly varied strip of epithelial cells allows for transduction of auditory signals into nerve impulses' action potential.[1] Transduction occurs through vibrations of structures in the inner ear causing displacement of cochlear fluid and movement of hair cells at the organ of Corti to produce electrochemical signals.[2]

Italian anatomist Alfonso Giacomo Gaspare Corti (1822–1876) discovered the organ of Corti in 1851.[3] The structure evolved from the basilar papilla and is crucial for mechanotransduction in mammals.

  1. ^ Hudspeth, A (2014). "Integrating the active process of hair cells with cochlear function". Nature Reviews Neuroscience. 15 (9): 600–614. doi:10.1038/nrn3786. PMID 25096182. S2CID 3716179.
  2. ^ The Ear Pujol, R., Irving, S., 2013
  3. ^ Betlejewski, S (2008). "Science and life – the history of Marquis Alfonso Corti". Otolaryngologia Polska. 62 (3): 344–347. doi:10.1016/S0030-6657(08)70268-3. PMID 18652163.

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Organ of Corti

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The organ of Corti, or spiral organ, is the receptor organ for hearing and is located in the mammalian cochlea. This highly varied strip of epithelial...

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Inner ear

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cells, auditory cells or cells of Corti. The organ of Corti is lined with a single row of inner hair cells and three rows of outer hair cells. The hair cells...

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Cochlea

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around its axis, the modiolus. A core component of the cochlea is the organ of Corti, the sensory organ of hearing, which is distributed along the partition...

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Basilar membrane

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fluids of the endolymph and perilymph, such as the inner and outer sulcus cells (shown in yellow) and the reticular lamina of the organ of Corti (shown...

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Auditory system

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concentration and voltage. Vestibular duct perilymph vibrations bend organ of Corti outer cells (4 lines) causing prestin to be released in cell tips. This...

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Corti

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Corti is an Italian surname. Notable people with the surname include: Alfonso Giacomo Gaspare Corti (1822–1876), Italian anatomist (see also Organ of...

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Spiral ganglion

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of neuron cell bodies in the modiolus, the conical central axis of the cochlea. These bipolar neurons innervate the hair cells of the organ of Corti....

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Tectorial membrane

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located above the spiral limbus and the spiral organ of Corti and extends along the longitudinal length of the cochlea parallel to the BM. Radially the...

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Vestibulocochlear nerve

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travels away from the cochlea of the inner ear where it starts as the spiral ganglia. Processes from the organ of Corti conduct afferent transmission...

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Cochlear duct

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membrane) respectively. The cochlear duct houses the organ of Corti. The cochlear duct is part of the cochlea. It is separated from the tympanic duct (scala...

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Hair cell

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within the spiral organ of Corti on the thin basilar membrane in the cochlea of the inner ear. They derive their name from the tufts of stereocilia called...

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Hearing

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divided lengthwise by the organ of Corti, which is the main organ of mechanical to neural transduction. Inside the organ of Corti is the basilar membrane...

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Vestibular membrane

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important for the function of the spiral organ of Corti. It allows nutrients to travel from the perilymph to the endolymph of the membranous labyrinth....

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Endolymph

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vascularis Organ of Corti Ménière's disease Bosher SK, Warren RL (1968-11-05). "Observations on the electrochemistry of the cochlear endolymph of the rat:...

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Auditory fatigue

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organ of Corti. In general, structural damages to any anatomical part of the human ear can cause hearing-related problems. Usually, minor bending of the...

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Ear

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the organ of Corti in the cochlea. The blood supply of the ear differs according to each part of the ear. The outer ear is supplied by a number of arteries...

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Evolution of the cochlea

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the auditory portion of the inner ear, originated in the late 17th century. Within the mammalian cochlea exists the organ of Corti, which contains hair...

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Electrocochleography

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mirrors the waveform of the acoustic stimulus. It is dominated by the outer hair cells of the organ of Corti. The magnitude of the recording is dependent...

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List of distinct cell types in the adult human body

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ectoderm germ layer List of human cell types derived from the germ layers Human Cell Atlas List of organs of the human body List of human microbiota Hatton...

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Presbycusis

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four pathological phenotypes of presbycusis: Sensory: characterised by degeneration of the organ of Corti, the sensory organ for hearing. Located within...

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Critical band

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map: The basilar membrane supports the organ of Corti, which sits within the scala media. The organ of Corti comprises both outer and inner hair cells...

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Interaural time difference

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carry information from the organ of Corti to the brainstem and brain. Auditory afferent fibres consist of two types of fibres called type I and type...

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Tonotopy

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sound to the brain. Different regions of the basilar membrane in the organ of Corti, the sound-sensitive portion of the cochlea, vibrate at different sinusoidal...

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Tympanic duct

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to movement of liquid and the basilar membrane. This movement is conveyed to the organ of Corti inside the cochlear duct, composed of hair cells attached...

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Tip link

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Neuronal encoding of sound Pickles JO, Comis SD, Osborne MP. 1984.Cross-links between stereocilia in the guinea pig organ of Corti, and their possible...

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Terry Riley

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married to Ann Riley until her death in 2015. 1963: Music for The Gift (Organ of Corti 1, 1963) 1965: Reed Streams, Mass Art Inc. M-131 1967: You're No Good...

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