INS 18s GLU 19 m; insulin 90% dorsal 工NS828 pancreatic peptide ● SST somatostatin ● GH ghrelin human ①s:4 Blood vessel Suckale et al.2008,而g,2]G日1告? pancreatic duct Body of pancreas Minor duodenal papila Hepatopancreatic ampulla Major duodenal papilla Pancreatic duct Plicae circulares A Head of pancreas