Pronunciation: kol'loyd mil'e-um
Definition: Yellow papules developing in sun-damaged skin of the head and backs of the hands, composed of colloid material in the dermis resembling amyloid but with a different ultrastructure. Filaments less than 2.0 nm in diameter are present that may be a form of elastic tissue produced by actinically damaged fibroblasts.
[L. milium, millet]
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Examples: glitazone, GI cocktail, etc.