Esophagus The Common Vein Copyright 2008 Ashley Davidoff MD Sleek Esophagus with The Right Curves 73368b06.800 esophagus normal motility contraction wave peristalsis primary stripping wave physiology function receptive relaxation upper esophageal sphincter lower esophageal sphincter LES UES esophageal body pharynx Davidoff Art Courtesy Ashley Davidoff MD Parts 73368b07b esophagus normal motility contraction wave peristalsis primary stripping … Continue reading Esophagus