The submucosa includes a dense irregular layer of connective tissue with huge blood vessels, lymphatics, and nerves branching to the mucosa and muscularis externa. It incorporates the submucosal plexus, an enteric nervous plexus, located to the internal surface area in the muscularis externa. Your big intestine is all over 5 https://origemlab.com.br/teste-de-perfil-intestinal-completo/