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The inner and outer hair cells then differentiate into their appropriate positions and are followed by the organization of the supporting cells. The topology of the supporting cells lends itself to the actual mechanical properties that are needed for the highly specialized sound-induced movements within the organ of Corti. [7]
The supporting cells including Hensen's cells and Deiter's cells which surround the sensory cells in the organ of Corti are joined by gap junctions, the gap junctions function as electrical and metabolic communication from cell to cell through a long distance. [13]
Claudius cells are considered as supporting cells within the organ of Corti in the cochlea. These cells extend from Hensen's cells to the spiral prominence epithelium, forming the outer sulcus. They are in direct contact with the endolymph of the cochlear duct. These cells are sealed via tight junctions that prevent flow of endolymph between them.
Section through the organ of Corti, showing inner and outer hair cells. The deflection of the hair-cell stereocilia opens mechanically gated ion channels that allow any small, positively charged ions (primarily potassium and calcium) to enter the cell. [10] Unlike many other electrically active cells, the hair cell itself does not fire an ...
In mammals, the structure is known as the organ of Corti and shows a unique arrangement of hair cells and supporting cells. All mammalian organs of Corti contain a supporting tunnel made up of pillar cells, on the inner side of which there are inner hair cells and outer hair cells on the outer side.
The Human Cell Atlas project, which started in 2016, had as one of its goals to "catalog all cell types (for example, immune cells or brain cells) and sub-types in the human body". [13] By 2018, the Human Cell Atlas description based the project on the assumption that "our characterization of the hundreds of types and subtypes of cells in the ...
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 ...
The cochlear duct contains the organ of Corti. [ 2 ] [ 5 ] This is attached to the basilar membrane. [ 5 ] It also contains endolymph , which contains high concentrations of K + for the function of inner hair cells and outer hair cells in the organ of Corti.