xanthinuria

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xanthinuria

 [zan″thin-u´re-ah]
excess of xanthine in the urine, due to a hereditary disorder of purine metabolism in which there is a deficiency of the enzyme xanthine oxidase.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

xan·thi·nu·ri·a

(zan'thi-nyū'rē-ă),
1. Excretion of abnormally large amounts of xanthine in the urine.
2. A disorder [MIM*278300], characterized by urinary excretion of xanthine in place of uric acid, hypouricemia, and occasionally the formation of renal xanthine stones. There are two types: type I is due to xanthine dehydrogenase (XDH) deficiency, and type II is due to deficiencies of both XDH and aldehyde oxidase. Autosomal recessive inheritance, caused by mutation in the XDH gene on chromosome 2p in some cases.
Synonym(s): xanthiuria, xanthuria
[xanthine + G. ouron, urine]
Farlex Partner Medical Dictionary © Farlex 2012

xanthinuria

(zăn′thə-no͝or′ē-ə)
n.
1. Excretion of abnormally large amounts of xanthine in the urine.
2. An inherited metabolic disorder resulting from an enzyme deficiency and characterized by urinary excretion of xanthine in place of uric acid.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

xanthinuria

(1) Hereditary xanthinuria, see there.
(2) Excess excretion of xanthine in urine.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

xan·thi·nu·ri·a

, xanthiuria , xanthuria (zan'thi-nyū'rē-ă, -thē-yūr'ē-ă, zan-thyūr'ē-ă)
1. Excretion of abnormally large amounts of xanthine in the urine.
2. A disorder [MIM*278300], characterized by urinary excretion of xanthine in place of uric acid, hypouricemia, and occasionally the formation of renal xanthine stones.
[xanthine + G. ouron, urine]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

xan·thi·nu·ri·a

, xanthiuria , xanthuria (zan'thi-nyū'rē-ă, -thē-yūrē-ă, -thyūrē-ă)
1. Excretion of abnormally large amounts of xanthine in the urine.
2. A disorder characterized by urinary excretion of xanthine in place of uric acid, hypouricemia, and occasionally the formation of renal xanthine stones.
[xanthine + G. ouron, urine]
Medical Dictionary for the Dental Professions © Farlex 2012