Gastroenterology:The medical specialty devoted to the study,diagnosisand treatment of disorders of the digestive system. These disorders mayaffecttheesophagus(swallowing tube),stomach,small intestine,large intestine(colon),rectum, liver,gallbladder, orpancreas.
Gastroenterologyis popularly (and incorrectly) known as "GI" (which stands forgastrointestinal).
