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Descriptor English: Lactose Intolerance
Descriptor Spanish: Intolerancia a la Lactosa
Descriptor intolerancia a la lactosa
Entry term(s) malabsorción de lactosa
Scope note: Afección debida a la ausencia de la enzima LACTASA en las células de la mucosa del TUBO DIGESTIVO y, por tanto, a la incapacidad para escindir el disacárido LACTOSA presente en la leche, previa absorción del mismo. Se manifiesta por leve indigestión (DISPEPSIA) a DIARREA grave. Puede ser un defecto congénto o adquirido.
Descriptor Portuguese: Intolerância à Lactose
Descriptor French: Intolérance au lactose
Entry term(s): Alactasia
Dairy Product Intolerance
Hypolactasia
Intolerance, Lactose
Lactose Malabsorption
Malabsorption, Lactose
Milk Sugar Intolerance
Tree number(s): C06.405.469.637.506
C16.320.565.202.589
C18.452.603.506
C18.452.648.202.589
RDF Unique Identifier: https://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.
Allowable Qualifiers: BL blood
CF cerebrospinal fluid
CI chemically induced
CL classification
CO complications
DG diagnostic imaging
DH diet therapy
DI diagnosis
DT drug therapy
EC economics
EH ethnology
EM embryology
EN enzymology
EP epidemiology
ET etiology
GE genetics
HI history
IM immunology
ME metabolism
MI microbiology
MO mortality
NU nursing
PA pathology
PC prevention & control
PP physiopathology
PS parasitology
PX psychology
RH rehabilitation
RT radiotherapy
SU surgery
TH therapy
UR urine
VE veterinary
VI virology
Public MeSH Note: 67
History Note: 67(64)
DeCS ID: 7964
Unique ID: D007787
NLM Classification: WD 200.5.M2
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1967/01/01
Date of Entry: 1999/01/01
Revision Date: 2013/07/08
Lactose Intolerance - Preferred
Concept UI M0012180
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.
Preferred term Lactose Intolerance
Entry term(s) Alactasia
Dairy Product Intolerance
Hypolactasia
Intolerance, Lactose
Lactose Malabsorption
Malabsorption, Lactose
Milk Sugar Intolerance



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