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Gastric and Duodenal Ulcer Damage to Lining During normal digestion, food is chewed and swallowed, moving from the mouth through the esophagus and into the stomach. In the stomach, food is digested by hydrochloric acid and an enzyme known as pepsin. As the food continues through the gastrointestinal tract, it moves into the duodenum, the …
Esophageal Reflux “Sour” Stomach Is a Sign The esophagus is the passageway between the mouth and the stomach through which food passes into the gastrointestinal tract. At the base of the esophagus is the lower esophageal sphincter that keeps the stomach’s contents from moving back up into the esophagus. If this sphincter does not …
Endoscopy Common Procedure Examines Esophagus, Stomach, Duodenum Endoscopy, also known as esophagogastroduodenoscopy or EGD, is a common procedure doctors use to examine the lining of the esophagus (swallowing tube), stomach, and duodenum (beginning of the small intestine). Endoscopy is most often done in the doctor’s office or hospital outpatient unit by a highly trained physician …