Esophagus T he esophagus is the portion of the digestive tract that links the mouth to the stomach. It is a long narrow tube which passes through a hole in the diaphragm to reach the stomach. Food moves through the esophagus by peristalsis, which is a progressive wave of muscle contractions that pushes the food down the tube.
T here are several disorders which can occur in the esophagus.
Hiatal hernia and Barrett's Esophagus are discussed here. Heartburn is another common disorder involving the esophagus.