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hydroxykynureninuria

[ hī-drŏk′sē-kī-nur′ə-nĭ-nurē-ə ]
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n.
An inherited abnormality in tryptophan metabolism believed to be due to a defect in kynureninase and characterized by mild mental retardation, migrainelike headaches, and urinary excretion of excessive amounts of kynurenine and xanthurenic acid.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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