abnormal enteric nervous system morphology MP:0001044 MPheno.ontology any structural anomaly of the part of the autonomic nervous system that innervates the gastrointestinal tract, the pancreas, and the gallbladder and can autonomously sense the tension and the chemical environment in the gut and regulate blood vessel tone, motility, secretions, and fluid transport enteric nervous system abnormalities enteric nervous system dysplasia abnormal autonomic nervous system morphology