Contributors in Medical
Medical > Gastroenterology 
lower esophageal sphincter
Medical; Gastroenterology
The muscle between the esophagus and stomach. When a person swallows, this muscle relaxes to let food pass from the esophagus to the stomach. It stays closed at other times to ...
obstruction
Medical; Gastroenterology
A blockage in the gastrointestinal tract that prevents the flow of liquids or solids.
sclerotherapy
Medical; Gastroenterology
A method of stopping upper gastrointestinal bleeding. A needle is inserted through an endoscope to send hardening agents to the place that is bleeding.
diverticulitis
Medical; Gastroenterology
A condition that occurs when small pouches in the colon called diverticula become inflamed.
squamous epithelium
Medical; Gastroenterology
Tissue in an organ such as the mouth or esophagus that consists of layers of flat cells.
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