单词	xanthoma
释义	xanthoma /zanˈθəʊmə / noun (plural xanthomas or xanthomata /zanˈθəʊmətə/) Medicine An irregular yellow patch or nodule on the skin, caused by deposition of lipids.The plasma has a milky appearance, and xanthomata appear in the skin as bright yellow papules particularly at the elbows, knees, and buttocks.... Biopsy showed the papules to be eruptive xanthomas. Elevated levels of cholesterol and bile pigments in the blood can cause gallstones, xanthomas, and high cholesterol. Origin Mid 19th century: from Greek xanthos 'yellow' + -oma.
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