பொருள் : 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.
ஒத்த சொற்கள் : alpine scurvy, maidism, mal de la rosa, mayidism, pellagra, saint ignatius' itch