Whiteness of the hair. [leuko- + G. thrix, hair]

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leu·ko·trich·ia or chiefly Brit leu·co·trich·ia .lü-kə-'trik-ē-ə n whiteness of the hair

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leu·ko·trich·ia (loo″ko-trikґe-ə) [leuko- + trich- + -ia] circumscribed depigmentation and whitening of the hair; cf. poliosis.

Medical dictionary. 2011.

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  • Leukotrichia — Leu|ko|tri|chia, Leu|ko|tri|cho|sis, die; [zu griech. thríx (Gen.: trichós) = Haar] (Med.): das Weißwerden der Haare …   Universal-Lexikon

  • achromotrichia — Absence or loss of pigment in the hair. SEE ALSO: canities. [G. a priv. + chroma, color, + thrix, hair] * * * achro·mo·trich·ia .ā .krō mə trik ē ə n absence of pigment in the hair * * * achro·mo·trich·ia (a kro″mo trikґe ə) loss of… …   Medical dictionary

  • canities — Graying of hair. SEE ALSO: poliosis. [L., fr. canus, hoary, gray] c. poliosis SYN: ectopic eyelash. c. circumscripta SYN: piebald eyelash. rapid c. whitening of hair overnight or over a few days; in the latter case, may be seen in alopecia areata …   Medical dictionary

  • leucinuria — The excretion of leucine in the urine. * * * leu·cin·uria .lü sə n(y)u̇r ē ə n the presence of leucine in the urine Each boldface word in the list below is a chiefly British variant of the word to its right in small capitals. leucoagglutinin… …   Medical dictionary

  • poliosis — A patchy absence or lessening of melanin in hair of the scalp, brows, or lashes, due to lack of pigment in the epidermis; it occurs in several hereditary syndromes but may be caused by inflammation, irradiation, or infection such as herpes …   Medical dictionary

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