Hartnup disease

noun
Hart·nup disease | \ˈhärt-ˌnəp- \

Medical Definition of Hartnup disease 

: an inherited metabolic disease that is caused by abnormalities of the renal tubules and is characterized especially by aminoaciduria involving only monocarboxylic monoamines, a dry red scaly rash, and episodic muscular incoordination due to the effects of the disease on the cerebellum

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