The plural form of diverticulum. See diverticulum.

A condition that occurs when small pouches in the colon called diverticula push outward through weak spots.

Abbreviation for deoxyribonucleic acid, the molecule that contains the genetic code for all life forms except for a few viruses. It consists of two long, twisted chains made up of nucleotides. Each nucleotide contains one… 

An ulcer in the lining of the first part of the small intestine, also called the duodenum.

An irritation of the first part of the small intestine, also called the duodenum.

The first part of the small intestine.

An infectious disease of the colon. Symptoms include bloody, mucus-filled diarrhea; abdominal pain; fever; and loss of fluids from the body.

Upper abdominal discomfort, often provoked by eating, that may be accompanied by fullness, bloating, nausea, or other gastrointestinal symptoms. Also called indigestion.

Problems with swallowing food or liquid, usually caused by blockage or injury to the esophagus.

A procedure that uses an electrical current passed through an instrument to stop bleeding.