Normal anatomy

The esophagus is a narrow, muscular tube that carries food from the mouth to the stomach. A sphincter at the junction of the esophagus and the stomach prevents reflux of food and acid from the stomach into the esophagus.

The esophagus is a narrow, muscular tube that carries food from the mouth to the stomach. A sphincter at the junction of the esophagus and the stomach prevents reflux of food and acid from the stomach into the esophagus.

Review Date: 04/13/2006
Reviewed By: A.D.A.M. Medical Illustration Team