The lamina propria is full of blood vessels and lymphatic channels. The muscular layer is composed of clean muscle mass fibers, with an outer layer of longitudinal muscle, an internal layer of round muscle mass, and oblique muscle fibers involving. The outer layer, the adventitia, is a thin dense layer https://cunt51841.xzblogs.com/72492071/slut-things-to-know-before-you-buy