title: FUNCTION AND DYSFUNCTION OF THE ESOPHAGUS.
mesh_terms: D000715:Anatomy; D004931:Esophageal Achalasia; D004947:Esophagus; D006548:Hernia, Diaphragmatic; D006551:Hernia, Hiatal; D010827:Physiology; D013514:Surgical Procedures, Operative
keywords: ANATOMY; CARDIOSPASM; DIAPHRAGMATIC HERNIA; ESOPHAGUS; PHYSIOLOGY; SURGERY, OPERATIVE