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[Gr. erythēma, redness]
Reddening of the skin. Erythema is a common but nonspecific sign of skin irritation, injury, or inflammation. It is caused by dilation of superficial blood vessels in the skin.
erythematicerythematous (er″ĭ-thĕ-mat′ĭk) (er″ĭ-them′ăt-ŭs), adj.