Chemicals and Drugs

Lactase

An enzyme which catalyzes the hydrolysis of LACTOSE to D-GALACTOSE and D-GLUCOSE. Defects in the enzyme cause LACTOSE INTOLERANCE.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An enzyme which catalyzes the hydrolysis of LACTOSE to D-GALACTOSE and D-GLUCOSE. Defects in the enzyme cause LACTOSE INTOLERANCE.

MeSH Record

Classification

Broader headings

Narrower headings

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MeSH Record

See Also

MeSH Record

Synonyms

2 entry terms
  • Lactose Galactohydrolase
  • Galactohydrolase, Lactose

MeSH Record

Aspects Covered

29 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, analysis, antagonists & inhibitors, biosynthesis, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, deficiency, drug effects, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, ultrastructure, urine.

MeSH Record

History Note

2004; use LACTASE (NM) 1990-2003

MeSH Record

Previous Indexing

  • beta-Galactosidase (1990-2003)

MeSH Hierarchy

Tree Number

  1. D08.811w.277w.450w.410w.100w.500w

AMA Style

References

  1. National Library of Medicine. Lactase. Medical Subject Headings (MeSH). 2026. Unique ID D043322. http://id.nlm.nih.gov/mesh/2026/D043322
  2. Lactase. In: Wikipedia. https://en.wikipedia.org/wiki/Lactase
  3. Lactase. In: Wikidata. https://www.wikidata.org/wiki/Q379764