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Esophageal Sphincter, Lower MeSH Descriptor Data 2022


MeSH Heading
Esophageal Sphincter, Lower
Tree Number(s)
A02.633.570.210
A03.556.875.500.414.350
A03.556.875.875.330.350
Unique ID
D049630
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D049630
Annotation
diseases: coordinate IM with ESOPHAGEAL DISEASES (IM) or specific esophageal disease (IM); neoplasms: coordinate IM with STOMACH NEOPLASMS (IM) or ESOPHAGEAL NEOPLASMS (IM) depending on text
Scope Note
The physiologic or functional barrier to GASTROESOPHAGEAL REFLUX at the esophagogastric junction. Sphincteric muscles remain tonically contracted during the resting state and form the high-pressure zone separating the lumen of the ESOPHAGUS from that of the STOMACH. (Haubrich et al, Bockus Gastroenterology, 5th ed., pp399, 415)
Entry Term(s)
Gastroesophageal Sphincter
Lower Esophageal Sphincter
NLM Classification #
WI 250
Previous Indexing
Esophagogastric Junction (1966-2004)
See Also
Gastroesophageal Reflux
Public MeSH Note
2005
History Note
2005
Date Established
2005/01/01
Date of Entry
2004/07/07
Revision Date
2018/10/05
Esophageal Sphincter, Lower Preferred
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