The lamina propria is full of blood vessels and lymphatic channels. The muscular layer is made up of clean muscle fibers, having an outer layer of longitudinal muscle, an internal layer of round muscle, and oblique muscle mass fibers in between. The outer layer, the adventitia, is a skinny dense https://fuck76532.boyblogguide.com/30454025/ass-things-to-know-before-you-buy