| achromia | 1. Depigmentation; absence, or loss of natural pigmentation of the skin and iris; may be congenital or acquired. See: depigmentation. 2. Lack of capacity to accept stains in cells or tissue. Synonym: achromasia, achromatosis. Origin: G. A-priv. + chroma, colour (05 Mar 2000) |
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| achromia parasitica | A phase of lessening or absence of pigmentation in cutaneous lesions, caused by the fungus Malassezia furfur. See: tinea versicolor. (05 Mar 2000) |
| achromia unguium | The occurrence of white spots or patches under the nails, of unknown cause; the decoloration may be total or in the form of lines (striate or transverse leukonychia) or dots (punctate leukonychia). Synonym: achromia unguium, canities unguium, leukopathia unguis. Origin: Leuko-+ G. Onyx (onych-), nail Apparent leukonychia, pallor of the nail not due to subungual air bubbles. (05 Mar 2000) |
| achromia |
an absence of normal pigmentation especially in the skin (as in albinism) or in red blood cells
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| achromia | (medical) an absence of normal pigmentation especially in the skin (as in albinism) or in red blood cells |
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