DIFFUSE SPASM OF THE LOWER PART OF THE ESOPHAGUS. FINE STRUCTURE OF ESOPHAGEAL SMOOTH MUSCLE AND NERVE.
D003679:Deglutition; D004583:Electrons; D004947:Esophagus; D008853:Microscopy; D008854:Microscopy, Electron; D009130:Muscle, Smooth; D010336:Pathology; D013035:Spasm; D014630:Vagus Nerve
DEGLUTITION; ESOPHAGUS; MICROSCOPY, ELECTRON; MUSCLE, SMOOTH; PATHOLOGY; SPASM; VAGUS NERVE