Gastroenterology

Gastroenterology (MeSH heading) is a branch of medicine focused on the digestive system and its disorders. The name is a combination of three Ancient Greek words gaster (gen.: gastros) (stomach), enteron (intestine), and logos (reason). In the United States, Gastroenterology is an Internal Medicine Subspecialty certified by the American Board of Internal Medicine (ABIM) and the American Osteopathic Board of Internal Medicine (AOBIM).