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Mammalian cochlear hair cells are of two anatomically and functionally distinct types, known as outer, and inner hair cells. Damage to these hair cells results in decreased hearing sensitivity, and because the inner ear hair cells cannot regenerate, this damage is permanent. [4]
Sound above a certain decibel level can cause permanent damage to inner ear stereocilia. New research has shown that the damage can possibly be reversed if we can repair or recreate some of the proteins in the stereocilia. In this study, scientists used zebrafish to examine the motion of proteins within live ear cells using a confocal ...
[1] [2] Supporting cells are also responsible for removing damaged hair cells from the inner ear. [2] Outer hair cell and Deiter's cell. Hair cells and most supporting cells are ectoderm-derived. [2] The main types of supporting cells are Hensen's cells, Deiters’ cells, Claudius cells, inner phalangeal cells, and inner and outer pillar cells. [1]
This is called noise-induced hearing loss (NIHL), and it happens when the tiny hair cells in your inner ear are damaged. These hair cells cannot grow back or be repaired, so once they are gone ...
Stereocilia (or stereovilli or villi) are non-motile apical cell modifications. They are distinct from cilia and microvilli, but are closely related to microvilli. They form single "finger-like" projections that may be branched, with normal cell membrane characteristics. They contain actin.
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] Strategically positioned on the basilar membrane of the organ of Corti are three rows of outer hair cells (OHCs) and one row of inner hair cells ...
The hair cells are the primary auditory receptor cells and they are also known as auditory sensory cells, acoustic hair 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 have a hair bundle at the apical surface of the cell.
Many studies have been conducted looking at regeneration of hair cells in the inner ear. While hair cells are generally not replaced through cell regeneration, [131] mechanisms are being studied to induce replacement of these important cells. [132] One study involves the replacement of damaged hair cells with regenerated cells, via the ...