Mesentery(binding of digestive tract to abdominal wall) Mesothelium Duct of associated gland (transport of secretion) Mesothelium(protective coating;reduction of amina propria friction) support) -Inner circular Submucosa layer(motility) (support) Muscularis mucosae Serosa(support) mucosal motility) Outer longitudinal muscle layer Submucosal plexus (motility） control of muscle activity) Lymph nodule Villus (increase of (immune defense) mucosal surface) Gland in the lamina ropria(secretion)】 nner circular muscle Gland in submucosal ayer(motility) layer(secretion) Myenteric plexus controls muscle contraction)
plicae *macroscopically visible *folds of mucosa and submucosa *longitudinal/circular form. villi *folds of epith.and lamina propria
plicae *macroscopically visible *folds of mucosa and submucosa *longitudinal/circular form. villi *folds of epith. and lamina propria
Esophagus
Esophagus