An open sore in the lining of the stomach. Also called stomach ulcer.

A hormone released after eating that causes the stomach to produce more acid.

Inflammation of the stomach lining.

An increase of muscle movement in the gastrointestinal tract when food enters an empty stomach. It may cause the urge to have a bowel movement right after eating.

An infection or irritation of the stomach and intestines, which may be caused by viruses or by bacteria or parasites from spoiled food or unclean water. Other causes include eating food that irritates the stomach… 

A doctor who specializes in digestive diseases.

The field of medicine focusing on the function and disorders of the digestive system.

A condition in which stomach contents flow back up into the esophagus. GERD happens when the muscle between the esophagus and the stomach (the lower esophageal sphincter) is weak or relaxes when it should not.… 

Related to the gastrointestinal tract.

The large, muscular tube that extends from the mouth to the anus, where the movement of muscles, along with the release of hormones and enzymes, allows for the digestion of food. Also called the alimentary…