kinocilium

(redirected from Kinocilia)
Also found in: Medical.

kinocilium

[¦kin·ə′sil·ē·əm]
(cell and molecular biology)
A type of cilium containing one central pair of microfibrils and nine peripheral pairs; they extend from the apex of hair cells in all vertebrate ears except mammals.
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Ciliated epithelial cells are conical or columnar in shape, provided with a tuft of kinocilia at their apical cell face, rhythmically moving outward to eliminate excretions and trapped foreign materials.
Hair cells were classified as intact if the kinociliary bundle was undamaged--that is, if the kinocilia were aligned and the bundle was complete and brightly stained by the indirect fluorescent immunohistochemistry previously described.
Each cell is directionally sensitive, with the polarity determined by the relative position of kinocilia and stereocilia (Webb, 1999).
Such development of mitochondria is deemed necessary for supplying energy sources in the functioning of the cilia of these ciliated cells as sensory cilia or kinocilia.