xylulose /xy·lu·lose/ (zi´lu-lōs) a pentose epimeric with ribulose, occurring naturally as both l- and d-isomers. The latter is excreted in the urine in essential pentosuria; the former, in phosphorylated form, is an intermediate in the pentose phosphate pathway.
xylulose (zil´y
lōs),
xy·lu·lose (z  l -l s , zly-)n. A pentose sugar that is a part of carbohydrate metabolism and is found in the urine in pentosuria. |
xylulose (zil´y
lōs),n a substance that appears in the urine of patients with essential pentosuria; its presence is diagnostic.
xylulose
a pentose sugar occurring as d-xylulose and as l-xylulose, one of the few l-sugars found in nature; it is sometimes excreted in the urine. See also pentosuria.
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