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Keratinocytes

   Also found in: Encyclopedia, Wikipedia 0.03 sec.
Keratinocytes
Cells found in the epidermis. The keratinocytes at the outer surface of the epidermis are dead and form a tough protective layer. The cells underneath divide to replenish the supply.
Mentioned in: Ichthyosis, Skin Grafting
keratinocytes
(krat´inōsīts´),
n.pl a cell of the living epidermis and certain oral epithelia that produces keratin in the process of differen-tiating into the dead and fully ke-ratinized cells of the stratum corneum.


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? Mentioned in ? References in periodicals archive
 
The epidermis is formed of Keratinocytes and acts as a barrier to exogenous substances, chemicals, loss of moisture, and pathogens.
Cultured epithelial autografts by Gutierrez, Penny / Australian Nursing Journal
Although most skin cancers derive from either melanocytes or keratinocytes, the assay looks for physical breaks in the chromosomes of lymphocytes--nucleated blood cells--taken from skin cancer patients and cancer-free controls to estimate an individual's sensitivity to UVB.
Genetic basis of UVB sensitivity by McGovern, Victoria / Environmental Health Perspectives
The keratinocytes proliferate to form a well-defined endophytic, flat, or exophytic nodule of tumor cells.
Seborrheic keratosis by Thompson, Lester D.R. / Ear, Nose and Throat Journal
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