lactase /lac·tase/ (lak´tās) a β-galactosidase occurring in the brush border membrane of the intestinal mucosa that catalyzes the cleavage of lactose to galactose and glucose; it is part of the β-glycosidase enzyme complex.
lactase
lac·tase (l k t s )n. A galactosidase occurring in the intestine that catalyzes the hydrolysis of lactose into glucose and galactose. |
lactase
[lak′tās]
Etymology: L, lac + Fr, diastase, enzyme
an enzyme that catalyzes the hydrolysis of lactose to glucose and galactose. Lactase is concentrated in the kidney, liver, and intestinal mucosa. Also called beta-galactosidase.
lactase
d-galactosidase; an enzyme in the intestinal mucosa that hydrolyzes lactose, producing glucose and galactose.
lactase deficiency
a deficiency of intestinal lactase, which causes abdominal distention and cramping and often diarrhea when milk is drunk.
How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
| ?Page tools | ||
|---|---|---|
|