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outer hair cell


Definition: sensory cells in the organ of Corti in synaptic contact with sensory as well as efferent fibers of the auditory nerve; there are three rows of columnar outer hair cells largely surrounded by cortilymph and supporting phalangeal cells; the apical end of each cell is anchored to the cuticular plate and about 100 stereocilia arranged in a “V” pattern extend from the cell's surface through the cuticular plate into the tectorial membrane.

See Also: cochlear hair cells, Corti cells

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.