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Medical Term:

xanthism

Pronunciation: zan'thizm

Definition: A pigmentary anomaly of blacks, characterized by red or yellow-red hair color, copper-red skin, and often by dilution of iris pigment; autosomal recessive inheritance caused by mutation in the tyrosinase-related protein 1gene (TYRP1) on chromosome 9.

Synonym(s): rufous albinism

[G. xanthos, yellowish]

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