essential pentosuria

pentosuria /pen·tos·uria/ (pen″to-su´re-ah) excretion of pentoses in the urine.

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alimentary pentosuria  that occurring as a normal consequence of excessive ingestion of some fruits or their juices.

essential pentosuria  a benign autosomal recessive deficiency of the enzyme l-xylulose reductase resulting in excessive urinary excretion of l-xylulose.

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essential pentosuria

n.

A benign inheritable disorder in which there is a regular excretion of pentoses in the urine, especially of xylulose. Also called primary pentosuria.