pel·lag·ra   (pə-lāg'rə, -lā'grə, -lä')    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 Indo-European roots) + -agra, a seizure (from Latin, from Greek -agrā, from agrā, a seizing; see ag- in Indo-European roots).] pel·lag'rous adj.

pellagra 

Main Entry: pel·la·gra
Pronunciation: p&-'lag-r&, -'lAg-, -'läg-
Function: noun
: a disease marked by dermatitis, gastrointestinaldisorders, mental disturbance, and memory loss and associated with a diet deficient in niacin and protein —compare KWASHIORKOR

pellagra pel·lag·ra (pə-lāg'rə, -lā'grə, -lä'-)
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.

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pel·lag'rous adj.