xeroderma

xeroderma
n.
a mild form of the hereditary disorder ichthyosis, in which the skin develops slight dryness and forms branlike scales. It is common in the elderly. Xeroderma pigmentosum is a rare genetically determined disorder (see genodermatosis) in which there is an inherited defect in the mechanism that repairs damage to DNA brought about by ultraviolet radiation (see DNA repair); this leads to multiple skin cancers. Affected individuals must avoid any exposure to sunlight.

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  • xeroderma — m. dermat. Afección cutánea que produce una piel seca, rugosa, descolorida y con tendencia a la descamación. Medical Dictionary. 2011. xeroderma …   Diccionario médico

  • Xeroderma — Xe ro*der ma, n. [NL., fr. Gr. ? dry + ? skin.] (Med.) (a) Ichthyosis. (b) A skin disease characterized by the presence of numerous small pigmented spots resembling freckles, with which are subsequently mingled spots of atrophied skin. [1913… …   The Collaborative International Dictionary of English

  • Xerodérma — (griech., »trockne Haut«; X. pigmentosum, Pergamenthaut, Dürrhaut), pergamentartiges Aussehen der Haut, das mit Verödung der Gefäße, Pigmentierung und Schwund der Oberhaut und des Fettpolsters einhergeht. X. ist eine seltene, stets in der… …   Meyers Großes Konversations-Lexikon

  • xeroderma — [zir΄ō dʉr′mə] n. [ XERO + DERMA1] ICHTHYOSIS …   English World dictionary

  • Xeroderma — The surface of the knuckles of a hand with xeroderma Xeroderma, literally meaning dry skin , is a condition involving the integumentary system, which in most cases can safely be treated with emollients and/or moisturizers. Xeroderma occurs most… …   Wikipedia

  • Xeroderma — Abnormally dry skin. Xeroderma can be caused by a deficiency of vitamin A, systemic illness, overexposure to sunlight, or medication. It can usually be addressed by the use of over the counter (OTC) topical preparations. If these products do not… …   Medical dictionary

  • Xeroderma — Xe|ro|dẹr|ma 〈n.; s, dẹr|ma|ta od. dẹr|men; Med.〉 Xeroderma pigmentosum erblich bedingte, meist schon im Kindesalter tödlich verlaufende Hautkrankheit mit anfänglicher Flecken u. späterer Warzen u. Karzinombildung [zu grch. xeros „trocken“] *… …   Universal-Lexikon

  • Xeroderma — Græsk for tør hud. Xeroderma er desuden betegnelsen for en sjælden hudsygdom med tør og fast hud, fremkaldt af sollyset …   Danske encyklopædi

  • Xeroderma — Xe|ro|dẹr|ma 〈n.; Gen.: s, Pl.: ma|ta od. dẹr|men; Med.〉 Xeroderma pigmentosum erblich bedingte, meist schon im Kindesalter tödlich verlaufende Hautkrankheit mit anfänglicher Flecken u. späterer Warzen u. Karzinombildung [Etym.: <Xero… +… …   Lexikalische Deutsches Wörterbuch

  • Xeroderma pigmentosum — Référence MIM Voir article Transmission Récessive Chromosome Voir article Gène Voir article Empreinte parentale Non Anticipation Non …   Wikipédia en Français

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