Biliary acute pancreatitis: A review

Figure 3 Complex nervous systems that innervate the extrahepatic bile ducts and the duodeno-pancreas. Vagal: Left or anterior vagus nerve (a). Hepatic branch (a′). Gastric branch (a″). Celiac collateral of the right or posterior vagus (b). Splanchnic-celiac: Pre-ganglionic fibre (c). Celiac ganglion with post-ganglionic neuron (f). Sensory-afferent: Afferent fi bres and neurons of the dorsal roots ganglia of the spinal cord nerves (f). Entero-pancreatic: Nerve fibres connecting the neurons of the enteric plexus with the pancreatic gland (e). Parasympathetic synapses in the intrapancreatic ganglion (g). Arterio-venous shunts of the pancreas’ microcirculation system (h). Ganglia of the sympathetic chain (i)