单词 | pellagra |
释义 | pel·lag·ra ![]() n. A disease caused by a deficiency of niacin and protein in the diet and characterized by skin eruptions, digestive and nervous system disturbances, and eventual mental deterioration. [Italian : pelle, skin (from Latin pellis; see pel-3 in the Appendix of Indo-European roots) + -agra, a seizure (from Latin, from Greek -agrā, from agrā, a seizing; see ag- in the Appendix of Indo-European roots).] pel·lagrous adj. |
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