Gastroenterology: The medical specialty devoted to the study, diagnosis and treatment of disorders of the digestive system. These disorders may affect the esophagus (swallowing tube), stomach, small intestine, large intestine (colon), rectum, liver, gallbladder, or pancreas.
Gastroenterology is popularly (and incorrectly) known as “GI” (which stands for gastrointestinal).
Gastroesophageal: Pertaining to both the stomach and the esophagus, as in the gastroesophageal junction, the place where the esophagus connects to the stomach.
- Gastroesophageal junction
Gastroesophageal junction: The junction between the stomach and the esophagus; the place where the esophagus connects to the stomach.
- Gastroesophageal reflux
The return of stomach contents back up into the esophagus This frequently causes heartburn because of irritation of the esophagus by stomach acid. Gastroesophageal reflux disease (GERD) can lead to scarring and stricture of the esophagus, requiring stretching (dilating) of the esophagus. 10% of patients with gastroesophageal reflux disease develop Barrett’s esophagus which increases the […]
Gastrointestinal: Adjective referring collectively to the stomach and small and large intestines. The commonly used abbreviation for gastrointestinal is GI. (Outside of medicine, GI can also stand for galvanized iron, general issue or government issue – as in GI Joe).
- Gastrointestinal stromal tumor
Gastrointestinal stromal tumor: A type of tumor that usually begins in cells in the wall of the gastrointestinal tract. It can be benign or malignant. Abbreviated GIST. Malignant GISTs can occur from the esophagus to the rectum, but occur most commonly in the stomach and small intestine. Treatment for GIST includes STI571 (Gleevec), the first […]