| levulosuria | Excretion of fructose in the urine. Synonym: levulosuria. Origin: fructose + G. Ouron, urine Essential fructosuria, a benign, asymptomatic inborn error of metabolism due to deficiency of fructokinase, the first enzyme in the specific fructose pathway; fructose appears in the blood and urine, but is simply excreted unchanged; autosomal recessive inheritance. A fructokinase deficiency. See: hereditary fructose intolerance. (05 Mar 2000) |
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