Hartnup disease

[härtnəp]
n.
  1. A congenital metabolic disorder characterized by aminoaciduria, a pellagralike, light-sensitive skin rash, and a temporary cerebellar ataxia.Hartnup syndrome H disease
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.