<Table> <Tr> <Th_colspan="2"> Ring finger </Th> </Tr> <Tr> <Td_colspan="2"> The ring finger on this hand is extended (left hand). </Td> </Tr> <Tr> <Th_colspan="2"> Details </Th> </Tr> <Tr> <Th> Artery </Th> <Td> Proper palmar digital arteries, dorsal digital arteries </Td> </Tr> <Tr> <Th> Vein </Th> <Td> Palmar digital veins, dorsal digital veins </Td> </Tr> <Tr> <Th> Nerve </Th> <Td> Dorsal digital nerves of radial nerve, Dorsal digital nerves of ulnar nerve, Proper palmar digital nerves of median nerve </Td> </Tr> <Tr> <Th_colspan="2"> Identifiers </Th> </Tr> <Tr> <Th> Latin </Th> <Td> Digitus IV manus, digitus quartus manus, digitus annularis manus, digitus medicinalis </Td> </Tr> <Tr> <Th> Dorlands / Elsevier </Th> <Td> d_18 / 12296626 </Td> </Tr> <Tr> <Th> TA </Th> <Td> A01. 1.00. 056 </Td> </Tr> <Tr> <Th> FMA </Th> <Td> 24948 </Td> </Tr> <Tr> <Td_colspan="2"> Anatomical terminology (edit on Wikidata) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Ring finger </Th> </Tr>

Why do we wear a ring on the left hand