Definitions for xeroderma pigmentosum
a rare genetic condition characterized by an eruption of exposed skin occurring in childhood and photosensitivity with severe sunburn; inherited as a recessive autosomal trait in which DNA repair processes are defective so they are more likely to chromosome breaks and cancers when exposed to ultraviolet light
A rare genetic disorder in which DNA damaged by ultraviolet light is not repaired and the skin becomes sensitive to such light; a skin cancer that can subsequently develop
Origin: From ξηρός δέρμα and pigmentosus.
U.S. National Library of Medicine
A rare, pigmentary, and atrophic autosomal recessive disease. It is manifested as an extreme photosensitivity to ULTRAVIOLET RAYS as the result of a deficiency in the enzyme that permits excisional repair of ultraviolet-damaged DNA.
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