lactose tolerance test

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lactose tolerance test

a blood test performed to detect lactose intolerance.

lactose tolerance test

A clinical test for lactase deficiency in which 100 g of lactose, a disaccharide of glucose and galactose, is administered orally and serum glucose is monitored, as in the glucose tolerance test. Lactose intolerance is presumed to exist if the glucose levels rise less than 20 mg/dL; extreme lactase deficiency is evident by osmotic diarrhoea.

lactose tolerance test

A test for lactase deficiency, based on oral loading of lactose. See Lactose, Lactose intolerance. Cf Glucose tolerance test.

lactose

a sugar derived from milk, which on hydrolysis yields glucose and galactose.

lactose digestion test
oral test of foal's ability to digest milk sugar.
lactose intolerance
inability to digest lactose in the diet because of the lack of the enzyme lactase in the small intestine. Clinical consequences are intestinal discomfort and diarrhea.
lactose tolerance test
a monitor of intestinal epithelial damage, similar to the starch digestion test. The test measures the rise in blood glucose at timed intervals after oral administration of lactose; essentially a test of disaccharidase efficiency of the gut.
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