Achromia unguium

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Achromia unguium --> leukonychia

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.