| 释义 |
poliosis
Thesaurus| Noun | 1. | poliosis - loss of color from the hairdepigmentation - absence or loss of pigmentation (or less than normal pigmentation) in the skin or hair |
poliosis
poliosis [po″le-o´sis] circumscribed depigmentation of the hair, particularly of the scalp, occurring in association with or following various pathologic conditions. See also leukotrichia and canities.po·li·o·sis (po'lē-ō'sis), 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 zoster. Synonym(s): trichopoliosis [G., fr. polios, gray] po·li·o·sis (pō'lē-ō'sis) 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 zoster. [G., fr. polios, gray]poliosis A condition in which there is a lack of pigment in the hair, eyebrows and eyelashes, which appear whitish, grey. The condition normally occurs in patches. It is often associated with vitiligo, alopecia and forms part of the Vogt-Koyanagi-Harada syndrome.poliosis
Words related to poliosisnoun loss of color from the hairRelated Words |