The part of an internal organ that pushes through an opening in the organ

Abbreviation for irritable bowel syndrome.

The inner surface lining of the intestines where the cells absorb nutrients.

Being unable to digest lactose, the sugar in milk. This condition occurs when the body cannot produce lactase.

An abnormal ring of tissue that may partially block the lower esophagus. Also called Schatzki

Medicines that protect the stomach lining from acid. Examples are sucralfate and misoprostol. (Brand names: Carafate, Cytotec, Mylanta, Maalox)

Ampulla of Vater.

The lining of the abdominal cavity.

A condition that occurs when a body part slips from its normal position.

Dry vomiting.