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pentosuria in Medicine

pentosuria pen·to·su·ri·a (pěn'tō-sur'ē-ə, -syur'-)
The excretion of one or more pentoses in the urine.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for pentosuria

inborn error of carbohydrate metabolism, characterized by the excessive urinary excretion of the sugar xylitol. It is caused by a defect in the enzyme xylitol dehydrogenase, by which xylitol is normally metabolized. No disabilities are incurred, and no dietary or other measures are necessary. Reducing properties of the urine of affected individuals may lead to confusion with, and unnecessary treatment for, diabetes mellitus, which is not related to pentosuria. Pentosuria has been observed almost exclusively in persons of Jewish descent

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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