About The Medical Condition Hartnup Disease

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Find the definition of the medical term Hartnup Disease. Hartnup Disease defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.

Hartnup Disease

Hartnup Disease Medical Condition Defined & Explained
Hartnup Disease Medical Condition

What's The Definition Of The Medical Condition Hartnup Disease?

A disorder of amino acid transport characterized by the childhood (or rarely adult) onset of photosensitive dermatitis and intermittent neurologic symptoms. Ataxia, personality changes, migraine headaches, and photophobia may occur periodically. The disorder results from impaired sodium-dependent transport of neutral amino acids across the brush border membrane of the small intestine and renal tubular epithelium. (From Menkes, Textbook of Child Neurology, 5th ed, pp59-60)

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