Introduction to Gastroenterology (video).
Gastroenterology is the area of medicine that deals with the digestive system and how our bodies break down food so it can be absorbed by our intestines to fuel the rest of our body. A gastroenterologist is a doctor who specializes in the digestive system. The Introduction to Gastroenterology video explores the basic anatomy of the esophagus, stomach, small intestine, large intestine (colon). It also explains why you might need to see a gastroenterologist.