<Tr> <Th_colspan="2"> Details </Th> </Tr> <Tr> <Th_colspan="2"> Identifiers </Th> </Tr> <Tr> <Th> Latin </Th> <Td> trias hepatica </Td> </Tr> <Tr> <Th> TH </Th> <Td> H3. 04.05. 0.00021 </Td> </Tr>

Name three structures always found in the portal triad regions of the liver