Xerosis

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Xerosis

 

dryness of the skin caused by a decrease in the secretion of cutaneous sebum. It is found as a symptom in pellagra, hypovitaminosis A, dehydration of the body, and certain dermatoses. Primary xerosis is found in ectodermal dysplasia, a congenital anomaly in which there occurs an underdevelopment or complete aplasia of the sebaceous-follicular apparatus. A mild form of ichthyosis is sometimes called xerosis.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.