part of
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has part
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xanthine
Xanthinuria
2011-01-10T07:55:12Z
An increased concentration of xanthine in the urine.
HP:0010934
Increased urinary xanthine
SNOMEDCT_US:190919008
SNOMEDCT_US:54627004
UMLS:C0220988
Xanthinuria is generally caused by a defect in the xanthine oxidase, an enzyme that catalyzes the oxidation of hypoxanthine to xanthine and can further catalyze the oxidation of xanthine to uric acid. The formation of xanthine stones in the urinary tract is the main evidence of this abnormality.
peter
Abnormal urine metabolite level
abnormal
increased amount
urine