esophageal sphincter

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Definition of esophageal sphincter in English English dictionary

lower esophageal sphincter
The sphincter situated at the lower part of the esophagus
upper esophageal sphincter
The sphincter situated at the upper part of the esophagus
lower esophageal sphincter
A ring of smooth muscle fibers at the junction of the esophagus and stomach. Also called cardiac sphincter, gastroesophageal sphincter
esophageal sphincter
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