The excretion of one or more pentoses in elevated amounts in the urine.
- alimentary p. the urinary excretion of l-arabinose and l-xylose, as the result of the excessive ingestion of fruits containing these pentoses.
- essential p. [MIM*260800] a benign heritable disorder in which the urinary output of l-xylulose is 1–4 g/24 h; it occurs principally in Ashkenazi Jewish individuals; autosomal recessive inheritance. SYN: l-xylulosuria, primary p..
- primary p. SYN: essential p..

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pen·tos·uria .pen-tōs-'(y)u̇r-ē-ə n the excretion of pentoses in the urine specif a rare hereditary anomaly characterized by regular excretion of pentoses

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an inborn defect of sugar metabolism causing abnormal excretion of pentose in the urine. There are no serious ill-effects.

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pen·tos·uria (pen″to-suґre-ə) excretion of pentoses in the urine. pentosuric adj

Medical dictionary. 2011.

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Look at other dictionaries:

  • pentosuria — f. urol. Presencia de pentosas en la orina. Medical Dictionary. 2011. pentosuria Trastorno poco frecuente que se caracteriza por …   Diccionario médico

  • pentosuria — ▪ pathology       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… …   Universalium

  • Pentosuria — Infobox Disease Name = PAGENAME Caption = Xylulose DiseasesDB = 9816 ICD10 = ICD10|E|74|8|e|70 ICD9 = ICD9|271.8 ICDO = OMIM = 260800 MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = Pentosuria is a condition where xylulose (a pentose)… …   Wikipedia

  • pentosuria — noun the presence of pentose sugars in the urine; especially the presence of abnormally high levels of xylulose in the urine …   Wiktionary

  • pentosuria — pen·tos·uria …   English syllables

  • pentosuria — n. an inborn defect of sugar metabolism causing abnormal excretion of pentose in the urine. There are no serious ill effects …   The new mediacal dictionary

  • pentosuria — ˌpentəˈs(h)u̇rēə, təsˈyu̇ noun ( s) Etymology: New Latin, from International Scientific Vocabulary pentose + New Latin uria : the excretion of pentoses in the urine …   Useful english dictionary

  • Пентозурия (Pentosuria) — врожденный дефект метаболизма сахара в организме, характеризующийся аномальным выведением с мочой пентозы. Пентозурия обычно не причиняет серьезного вреда здоровью человека. Источник: Медицинский словарь …   Медицинские термины

  • alimentary pentosuria — urinary excretion of pentoses, probably xylose and arabinose, as a normal consequence of excessive ingestion of fruits such as cherries, plums, and grapes, or their juices …   Medical dictionary

  • essential pentosuria — a benign autosomal recessive deficiency of L xylulose reductase activity, due to mutation in the DCXR gene (locus: 17q25.3), which encodes it, resulting in urinary excretion of high levels of the pentose L xylulose …   Medical dictionary

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