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Definition of: pellagra
(pə·lā′grə, -lag′rə) noun Pathol.
A disease characterized by gastric disturbance, skin eruptions, and nervous derangement: endemic in many parts of the world, and known to be caused by nutritional deficiencies. [<NL prob. <Ital. pelle agra rough skin;? infl. by Gk. -agra <agra a seizure, as in podagra gout, lit., a seizure in the feet]
—pel·la′grous adjective
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