<Tr> <Th_colspan="2"> Details </Th> </Tr> <Tr> <Th> Precursor </Th> <Td> Foregut (1st and 2nd parts), Midgut (3rd and 4th part) </Td> </Tr> <Tr> <Th> Artery </Th> <Td> Inferior pancreaticoduodenal artery, Superior pancreaticoduodenal artery </Td> </Tr> <Tr> <Th> Vein </Th> <Td> Pancreaticoduodenal veins </Td> </Tr>

The first three segments of the vertebral column are named by their corresponding body position