pancreatic veins pancreatic veins in human anatomy, the pancreatic veins consist of several small blood vessels which drain the body and tail of the pancreas, and open into the trunk of the great pancreatic vein. pancreatic veinsdetailsdrains frompancreasdrains tosplenic veinidentifierslatinvenae pancreaticaeta98a12.3.12.022 a12.3.12.029ta25124fma70929anatomical terminology