Search on: ESOPHAGEAL SPHINCTER, LOWER 
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Descriptor English:   Esophageal Sphincter, Lower 
Descriptor Spanish:   Esfínter Esofágico Inferior 
Descriptor Portuguese:   Esfíncter Esofágico Inferior 
Synonyms English:   Lower Esophageal Sphincter  
Tree Number:   A02.633.570.210
A03.556.875.500.414.350
A03.556.875.875.330.350
Definition English:   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) 
Indexing Annotation English:   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
See Related English:   Gastroesophageal Reflux
 
History Note English:   2005 
Allowable Qualifiers English:  
abnormalities anatomy & histology
blood supply chemistry
cytology drug effects
embryology enzymology
growth & development immunology
injuries innervation
metabolism microbiology
pathology physiology
physiopathology parasitology
radiography radiation effects
radionuclide imaging secretion
surgery ultrastructure
ultrasonography virology
Record Number:   38422 
Unique Identifier:   D049630 

Occurrence in VHL: 		 

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