galactose tolerance test

galactose tolerance test

n.

A liver function test in which the rate of excretion of galactose following ingestion or an intravenous injection of a known amount is measured.

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galactose tolerance test,

a test of the ability of the liver to remove galactose from the blood and convert it to glycogen. The test, which is used to estimate impaired liver function, measures the rate of galactose excretion after ingestion or injection of a measured amount of galactose.

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galactose

a monosaccharide derived from lactose. d-galactose is found in lactose, cerebrosides of the brain, raffinose of the sugar beet, and in many gums and seaweeds; l-galactose is found in flaxseed mucilage.

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galactose 1-phosphate uridylyl transferase

involved in the metabolism of galactose to glycogen. Congenital galactosemia of humans and macropods is associated with a deficiency of this enzyme.

galactose tolerance test

a laboratory test done to determine the liver's ability to convert the sugar galactose into glycogen. Not much used in animals.