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lactase

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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.
lac·tase (lkts)
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.


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Lactase (such as Lactaid, Dairy Ease, and Lactrase) helps digest foods that contain lactose.
1969) and, lactose intolerance in individuals with lactase deficiency (Dahlqvist et al.
9 s, and lactase dehydrogenase 1,832 mg/dL, Imipenem, azithromycin, and doxycycline were administered as adult respiratory distress syndrome progressively developed.
 
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