<Tr> <Th> Artery </Th> <Td> pontine arteries </Td> </Tr> <Tr> <Th> Vein </Th> <Td> transverse and lateral pontine veins </Td> </Tr> <Tr> <Th_colspan="2"> Identifiers </Th> </Tr> <Tr> <Th> MeSH </Th> <Td> A08. 186.211. 132.810. 428.600 </Td> </Tr>

State the significance of the presence of pons and pineal gland