Having too much hydrochloric acid in the stomach.

A condition in which intra-abdominal fat or part of the small intestine bulges through a weak area in the lower abdominal muscles.

An enzyme in the small intestine needed to digest milk sugar (lactose).

Blood tests that may indicate abnormalities of the liver or biliary system. Also called liver function tests.

The movement of food through the digestive tract.

An operation that makes it possible for stool to leave the body through an opening made in the abdomen. An ostomy is necessary when part or all of the intestines are removed or blocked. Colostomy… 

Related to the perineum.

A short, rigid metal tube used to look into the rectum and anus.

A condition that occurs when gastric juices or small amounts of food from the stomach flow back into the esophagus and mouth. Also called regurgitation.

A special plastic tub that allows a person to sit in a few inches of warm water to help relieve the discomfort of hemorrhoids or anal fissures.