pellagra
/pəˈleɪgrə/noun
mass noun
- a deficiency disease caused by a lack of nicotinic acid or its precursor tryptophan in the diet. It is characterized by dermatitis, diarrhoea, and mental disturbance, and is often linked to over-dependence on maize as a staple food.糙皮病, 蜀黍红斑, 培拉格病。
派生词
pellagrous
adjective词源
early 19th cent.: from Italian, from pelle 'skin', on the pattern of podagra.