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  2. Cochlea - Wikipedia

    en.wikipedia.org/wiki/Cochlea

    The stria vascularis is a rich bed of capillaries and secretory cells; Reissner's membrane is a thin membrane that separates endolymph from perilymph; and the basilar membrane is a mechanically somewhat stiff membrane, supporting the receptor organ for hearing, the organ of Corti, and determines the mechanical wave propagation properties of the ...

  3. Management of hearing loss - Wikipedia

    en.wikipedia.org/wiki/Management_of_hearing_loss

    This implant is invisible under the intact skin and therefore minimises the risk of skin irritations. [31] Cochlear implants improve outcomes in people with hearing loss in either one or both ears. [32] They work by artificial stimulation of the cochlear nerve by providing an electric impulse substitution for the firing of hair cells. They are ...

  4. Earwax - Wikipedia

    en.wikipedia.org/wiki/Earwax

    Earwax also contains dead skin cells and hair. [3] Excess or compacted cerumen is the buildup of ear wax causing a blockage in the ear canal [2] and it can press against the eardrum or block the outside ear canal or hearing aids, potentially causing hearing loss.

  5. Auditory system - Wikipedia

    en.wikipedia.org/wiki/Auditory_system

    There are two types of hair cells specific to the auditory system; inner and outer hair cells. Inner hair cells are the mechanoreceptors for hearing: they transduce the vibration of sound into electrical activity in nerve fibers, which is transmitted to the brain. Outer hair cells are a motor structure.

  6. Cochlear implant - Wikipedia

    en.wikipedia.org/wiki/Cochlear_implant

    A cochlear implant (CI) is a surgically implanted neuroprosthesis that provides a person who has moderate-to-profound sensorineural hearing loss with sound perception. With the help of therapy, cochlear implants may allow for improved speech understanding in both quiet and noisy environments.

  7. Organ of Corti - Wikipedia

    en.wikipedia.org/wiki/Organ_of_Corti

    Cross-section through the spiral organ of Corti at greater magnification, showing position of the hair cells on the basement membrane. The organ of Corti is located in the scala media of the cochlea of the inner ear between the vestibular duct and the tympanic duct and is composed of mechanosensory cells, known as hair cells. [2]

  8. Waardenburg syndrome - Wikipedia

    en.wikipedia.org/wiki/Waardenburg_syndrome

    Type 1 is characterised by congenital sensorineural hearing loss, pigmentary deficiencies of the hair such as a white lock of hair in the front-centre of the head or premature greying, pigmentary deficiencies of the eyes such as different-coloured eyes (complete heterochromia iridum), multiple colours in an eye (sectoral heterochromia iridum) or brilliant blue eyes, patches of skin ...

  9. Hair cell - Wikipedia

    en.wikipedia.org/wiki/Hair_cell

    Outer hair cells extend the hearing range to about 200 kHz in some marine mammals. [16] They have also improved frequency selectivity (frequency discrimination), which is of particular benefit for humans, because it enabled sophisticated speech and music. Outer hair cells are functional even after cellular stores of ATP are depleted. [13]