Lactase

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Medical Definition of Lactase

Lactase: Enzyme that breaks down the milk sugar lactose into glucose and galactose. Persons with a deficiency of lactase (alactasia) in the gut can develop abdominal cramping and diarrhea after ingesting milk products.


Quick GuideFat-Burning Foods in Pictures: Blueberries, Green Tea, and More

Fat-Burning Foods in Pictures: Blueberries, Green Tea, and More

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Reviewed on 6/9/2016

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