canities

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, when surviving pigmented hairs are preferentially shed from gray hair.

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ca·ni·ti·es kə-'nish-ē-.ēz n grayness or whiteness of the hair

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n.
loss of pigment in the hair, which causes greying or whitening. It is usually part of the ageing process, when it starts at the temples. White patches may occur as a result of alopecia areata or vitiligo.

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ca·ni·ti·es (kə-nishґe-ēz) [L.] diffuse grayness or whiteness of the scalp hair, especially as associated with aging. Cf. achromotrichia, leukotrichia, and poliosis.

Medical dictionary. 2011.

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Look at other dictionaries:

  • CANITIES — capitis corona est. Euripides apud Stobaeum, ἀοίδιμι δὲ ςτεφάνοις κάρα πολιὸν ςτεφανώσας, Canam vero coronis caput coronatum. Quomodo enim Lex, inquit Plut. εἰ πρεσβυτ. πολιτευτ. diadema et coronam, sic Canitiem natura honoratum praecipuae… …   Hofmann J. Lexicon universale

  • Canitĭes — (lat.), Grauwerden der Haare …   Pierer's Universal-Lexikon

  • Canitĭes — (lat.), das Ergrauen …   Meyers Großes Konversations-Lexikon

  • Canities — [kani̱zi eß; zu lat. canus = grau, weißgrau] w; : graue od. grauweiße Beschaffenheit bes. der Haare, Ergrauen der Haare (infolge Pigmentschwundes). Cani̱ties pra̲e̲|cox: vorzeitiges Ergrauen der Haare. Cani̱ties ụn|gui|um [↑Unguis]: graue… …   Das Wörterbuch medizinischer Fachausdrücke

  • CANITIES — (лат. седина серовато белый), поседение волос (синонимы: leucotrichia, po liosis, trichonosis сапа, aehromia pilorum, achromatosis pilorum). Правильнее говорить о бесцветности волос, т. к. наряду с приобретенной существует и врожденная форма… …   Большая медицинская энциклопедия

  • canities — (izg. kanìcies, ob. kanìties) m DEFINICIJA sijeda kosa, gubljenje pigmenta u vlasi; polioza ETIMOLOGIJA lat. ≃ canus: sijed …   Hrvatski jezični portal

  • Canities — Ca|ni|ti|es [ka ni:tsi̯ɛs] die; <aus lat. canities »weißgraue Farbe« zu canus »grau, weißgrau«> das Ergrauen der Haare (Med.) …   Das große Fremdwörterbuch

  • canities — kəˈnishēˌēz, ishēz noun (plural canities “) Etymology: Latin, from canus white, hoary more at hare : grayness or whiteness of the hair …   Useful english dictionary

  • canities — n. [L. canus, hoary] Grayness or whiteness of hair …   Dictionary of invertebrate zoology

  • Canities — Caniti|es   [lateinisch »graue Farbe«] die, , das Ergrauen der Haare …   Universal-Lexikon

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