MeSH Browser

MeSH Heading: Lactase
Tree Number(s): D08.811.277.450.410.100.500
Unique ID: D043322
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D043322
Scope Note: An enzyme which catalyzes the hydrolysis of LACTOSE to D-GALACTOSE and D-GLUCOSE. Defects in the enzyme cause LACTOSE INTOLERANCE.
Entry Term(s): Lactose Galactohydrolase
Previous Indexing: beta-Galactosidase (1990-2003)
See Also: Lactose Intolerance
Public MeSH Note: 2004; LACTASE was indexed under BETA-GALACTOSIDASE 1990-2003
History Note: 2004; use LACTASE (NM) 1990-2003
Date Established: 2004/01/01
Date of Entry: 2003/07/09
Revision Date: 1955/01/01

Allowable Qualifiers: administration & dosage (AD)

adverse effects (AE)

analysis (AN)

antagonists & inhibitors (AI)

biosynthesis (BI)

blood (BL)

cerebrospinal fluid (CF)

chemical synthesis (CS)

chemistry (CH)

classification (CL)

deficiency (DF)

drug effects (DE)

economics (EC)

genetics (GE)

history (HI)

immunology (IM)

isolation & purification (IP)

metabolism (ME)

pharmacokinetics (PK)

pharmacology (PD)

physiology (PH)

poisoning (PO)

radiation effects (RE)

standards (ST)

supply & distribution (SD)

therapeutic use (TU)

toxicity (TO)

ultrastructure (UL)

urine (UR)

Lactase MeSH Descriptor Data 2025