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xeroderma pigmentosum

[pig-muh n-toh-suh m]
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noun Pathology.
  1. a rare inherited disease characterized by sensitivity to ultraviolet light, exposure resulting in lesions and tumors of the skin and eyes.

Origin of xeroderma pigmentosum

1880–85; < New Latin: pigmented xeroderma; see pigment, -ose1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
xeroderma pigmentosum in Medicine

xeroderma pigmentosum

(pĭg′mən-tōsəm, -mĕn-)
n.
  1. A rare hereditary skin disorder caused by a defect in the enzymes that repair DNA damaged by ultraviolet light and resulting in hypersensitivity to the carcinogenic effect of ultraviolet light.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.