The lamina propria is rich in blood vessels and lymphatic channels. The muscular layer is made up of easy muscle mass fibers, by having an outer layer of longitudinal muscle, an internal layer of circular muscle mass, and oblique muscle mass fibers between. The outer layer, the adventitia, is a https://israelhrzhm.free-blogz.com/78666159/the-smart-trick-of-pussy-that-nobody-is-discussing