Medical Definition of Beta-d-galactosidase

1. A sugar-splitting enzyme that catalyses the hydrolysis of lactose into d-glucose and d-galactose, and that of other beta-d-galactosides; it also catalyses galactotransferase reactions; a deficiency of beta-d -galactosidase leads to problems in the intestinal digestion of lactose; used in the production of milk products for adults who do not have the intestinal enzyme; a defect of one isozyme of beta-d-galactosidase is associated with Morquio's syndrome type B. Compare: lactase persistence, lactase restriction. Synonym: lactase. (05 Mar 2000)



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Lexicographical Neighbors of Beta-d-galactosidase

beta-aspartyldipeptidase
beta-beam
beta-blocker
beta-carboline-2-N-methyltransferase
beta-carotene
beta-carotene cleavage enzyme
beta-carotene hydroxylase
beta-cell src-homology tyrosine kinase
beta-chlorovinyldichloroarsine
beta-corticotropin
beta-cortol
beta-cortolone
beta-cyclohexenyl carotenoid epoxidase
beta-cyclopiazonate dehydrogenase
beta-cystathionase
beta-d-galactosidase (current term)
beta-d-glucosidase
beta-d-glucuronidase
beta-d-glucuronidase deficiency
beta-endorphin
beta-farnesene
beta-farnesene synthase
beta-fructofuranosidase
beta-galactanase
beta-galactosidase
beta-galactoside permease
beta-galactosyl(1-3)N-acetylglucosaminide alpha(2-3)-sialyltransferase
beta-galactosylceramidase
beta-globulins

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