Xeroderma pigmentosum, or XP, is an autosomal recessive genetic disorder of DNA repair in which the ability to repair damage caused by ultraviolet (UV) light is deficient.{rp|574} In extreme cases, all exposure to sunlight must be forbidden, no matter how small; as such, individuals with the disease are often colloquially referred to as Children o...
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http://en.wikipedia.org/wiki/Xeroderma_pigmentosum
rare, recessively inherited skin condition in which resistance to sunlight and other radiation beyond the violet end of the spectrum is lacking. On ... [6 related articles]
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http://www.britannica.com/eb/a-z/x/1
A genetic condition marked by an extreme sensitivity to ultraviolet radiation, including sunlight. People with xeroderma pigmentosum are not able to repair skin damage from the sun and other sources of ultraviolet radiation, and have a very high risk of skin cancer.
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http://www.cancer.gov/dictionary?expand=X
<disease> A rare inherited (autosomal recessive) disease in humans associated with increased sensitivity to ultraviolet induced mutagenesis and thus skin cancer. Sensitivity can be demonstrated in cultured cells and appears to be due to deficiency in DNA repair, specifically in excision of ultraviolet induced thymine dimers. Afflicted individ...
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http://www.encyclo.co.uk/local/20973
Inherited (autosomal recessive) disease in humans associated with increased sensitivity to ultraviolet-induced mutagenesis, and thus to skin cancer. Sensitivity can be demonstrated in cultured cells, and appears to be due to deficiency in DNA repair, specifically in excision of ultraviolet-induced thymine dimers.
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Type: Term Definitions: 1. an eruption of exposed skin occurring in childhood and characterized by photosensitivity with severe sunburn in infancy and the development of numerous pigmented spots resembling freckles, larger atrophic lesions eventually resulting in glossy white thinning of the skin surrounded by telangiectases, and multiple solar ker...
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http://www.medilexicon.com/medicaldictionary.php?t=100192
Xeroderma pigmentosum: A genetic disease characterized by such extraordinary sensitivity to sunlight that it results in the development of skin cancer at a very early age. Children with xeroderma pigmentosum (XP) can only play outdoors safely after nightfall. They have been called midnight children, the children of the dark, the children of the nig...
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A inherited disorder that causes extreme sensitivity to sunlight and early onset of skin cancers. The condition is rare and effects approximately 1 in 100,000 individuals.
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Xeroderma pigmentosum is an autosomal recessive disease characterized by photosensitivity, pigmentary changes, skin neoplasms, and premature aging of the skin. It is attributable to abnormal DNA repair. Eight genes have been identified as important to the repair of ultraviolet light induced DNA damage. A defect in one or more of these eight genes c...
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http://www.skincareguide.ca/glossary/x/xeroderma_pigmentosum.html
xeroderma pigmentosum (XP) A genetic disease characterized by such extraordinary sensitivity to sunlight that it results in the development of skin cancer at a very early age. Children with xeroderma pigmentosum can only play outdoors safely after nightfall. They have been called 'midnight children', the 'children of the dark', the 'children of the...
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a genetic disorder in which the skin is extremely sensitive to sunlight, causing it to age prematurely and leaving the individual particularly susceptible to skin cancer
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https://www.encyclo.co.uk/local/20875
noun 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 chromoso...
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https://www.encyclo.co.uk/local/20974
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