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Lactose Intolerance MeSH Descriptor Data 2022


MeSH Heading
Lactose Intolerance
Tree Number(s)
C06.405.469.637.506
C16.320.565.202.589
C18.452.603.506
C18.452.648.202.589
Unique ID
D007787
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D007787
Scope Note
The condition resulting from the absence or deficiency of LACTASE in the MUCOSA cells of the GASTROINTESTINAL TRACT, and the inability to break down LACTOSE in milk for ABSORPTION. Bacterial fermentation of the unabsorbed lactose leads to symptoms that range from a mild indigestion (DYSPEPSIA) to severe DIARRHEA. Lactose intolerance may be an inborn error or acquired.
Entry Term(s)
Alactasia
Dairy Product Intolerance
Hypolactasia
Lactose Malabsorption
Milk Sugar Intolerance
NLM Classification #
WI 470
Public MeSH Note
67
History Note
67(64)
Date Established
1967/01/01
Date of Entry
1999/01/01
Revision Date
2013/07/08
Lactose Intolerance Preferred
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