Contributors in Medical
Medical > Gastroenterology 
common bile duct obstruction
Medical; Gastroenterology
A blockage of the common bile duct, often caused by gallstones or cancer.
anorectal function tests
Medical; Gastroenterology
Tests used to diagnose abnormal functioning of the anus or rectum and to evaluate anal sphincter muscle function.
constipation
Medical; Gastroenterology
A condition in which a person usually has fewer than three bowel movements in a week. The bowel movements may be painful.
solitary rectal ulcer
Medical; Gastroenterology
A rare type of ulcer in the rectum that can develop because of straining to have a bowel movement.
sphincter
Medical; Gastroenterology
A ringlike band of muscle that opens and closes an opening in the body. An example is the muscle between the esophagus and the stomach known as the lower esophageal sphincter.
stomach
Medical; Gastroenterology
The organ between the esophagus and the small intestine. The stomach is where the digestion of protein begins.
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