The submucosa is made up of a dense irregular layer of connective tissue with large blood vessels, lymphatics, and nerves branching to the mucosa and muscularis externa. It consists of the submucosal plexus, an enteric nervous plexus, located on the interior surface area on the muscularis externa. Inflammatory problems. Ileitis https://origemlab.com.br/teste-de-perfil-intestinal-completo/