poliosis leukotrichia

См. также в других словарях:

• leukotrichia — Whiteness of the hair. [leuko + G. thrix, hair] * * * leu·ko·trich·ia or chiefly Brit leu·co·trich·ia .lü kə trik ē ə n whiteness of the hair * * * leu·ko·trich·ia (loo″ko trikґe ə) [leuko + trich + ia] circumscribed depigmentation and …   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

• 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

• 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