The submucosa consists of a dense irregular layer of connective tissue with massive blood vessels, lymphatics, and nerves branching into your mucosa and muscularis externa. It includes the submucosal plexus, an enteric anxious plexus, situated around the internal floor from the muscularis externa. Several ways of imaging the gastrointestinal tract https://origemlab.com.br/teste-de-perfil-intestinal-completo/