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1. (n.) pellagra
a disease caused by a deficiency of niacin in the diet, characterized by skin changes, severe nerve dysfunction, mental symptoms, and diarrhea.
Etymology: (1805–15; < It < NL: skin disease = L pell(is) skin + Gk ágra seizure)
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| Definition of 'pellagra' |
Princeton's WordNet |
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1. (noun) pellagra, Alpine scurvy, mal de la rosa, mal rosso, maidism, mayidism, Saint Ignatius' itch
a disease caused by deficiency of niacin or tryptophan (or by a defect in the metabolic conversion of tryptophan to niacin); characterized by gastrointestinal disturbances and erythema and nervous or mental disorders; may be caused by malnutrition or alcoholism or other nutritional impairments
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| Definition of 'pellagra' |
Webster Dictionary |
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1. (noun) pellagra
an erythematous affection of the skin, with severe constitutional and nervous symptoms, endemic in Northern Italy
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| Definition of 'pellagra' |
U.S. National Library of Medicine |
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1. pellagra
A disease due to deficiency of NIACIN, a B-complex vitamin, or its precursor TRYPTOPHAN. It is characterized by scaly DERMATITIS which is often associated with DIARRHEA and DEMENTIA (the three D's).
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Definitions of pellagra 
