This video provides a basic understanding of the generalized histological structure of the esophagus and its layers and briefly discusses the nerve plexuses that make up the Enteric Nervous System with the help of diagrams to help retain basic concepts. 0.00 introduction 0:22 overview of the layers of esophagus 0:47 mucosa 1:08 submucosa 1:29 muscularis externa 2:06 enteric nervous system 2:31 diseases involving interstitial cells of cajal 3:23 serosa