lactase

lactase definition - medical

lac·tase (lăkˈtāsˌ)

noun
A galactosidase occurring in the intestine that catalyzes the hydrolysis of lactose into glucose and galactose.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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