Mammal, whole system (LM, Low)

Layers of Gut Wall Structure List MUCOSA Epithelial layer Lamina propria Muscularis mucosa SUBMUCOSA vessels MUSCULARIS EXTERNA Circular layer Longitudinal layer ADVENTITIA

MUSCULARIS EXTERNA: This layer is usually composed of two smooth muscle layers: an inner layer with the smooth muscle fibers arranged circularly around the alimentary canal, and an outer layer with the smooth muscle fibers arranged longitudinally with the long axis of the alimentary canal.