Anatomy [A] » Musculoskeletal System [A02] » Muscles » Muscle, Smooth » Esophageal Sphincter, Lower
Anatomy [A] » Digestive System [A03] » Gastrointestinal Tract » Upper Gastrointestinal Tract » Esophagus » Esophagogastric Junction » Esophageal Sphincter, Lower
Anatomy [A] » Digestive System [A03] » Gastrointestinal Tract » Upper Gastrointestinal Tract » Stomach » Esophagogastric Junction » Esophageal Sphincter, Lower
Description
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) MeSH
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Phase 4 Indicated Drugs (2)
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