<Table> <Tr> <Th_colspan="2"> Sinoatrial node </Th> </Tr> <Tr> <Td_colspan="2"> Figure 1 shows the conduction system of the heart . The SA node is labelled 1 . </Td> </Tr> <Tr> <Th_colspan="2"> Details </Th> </Tr> <Tr> <Th> System </Th> <Td> Electrical conduction system of the heart </Td> </Tr> <Tr> <Th> Artery </Th> <Td> Sinoatrial nodal artery </Td> </Tr> <Tr> <Th_colspan="2"> Identifiers </Th> </Tr> <Tr> <Th> Latin </Th> <Td> nodus sinuatrialis </Td> </Tr> <Tr> <Th> Acronym (s) </Th> <Td> SA node </Td> </Tr> <Tr> <Th> MeSH </Th> <Td> D012849 </Td> </Tr> <Tr> <Th> TA </Th> <Td> A12. 1.06. 003 </Td> </Tr> <Tr> <Th> FMA </Th> <Td> 9477 </Td> </Tr> <Tr> <Td_colspan="2"> Anatomical terminology (edit on Wikidata) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Sinoatrial node </Th> </Tr> <Tr> <Td_colspan="2"> Figure 1 shows the conduction system of the heart . The SA node is labelled 1 . </Td> </Tr> <Tr> <Th_colspan="2"> Details </Th> </Tr>

Role of sa and av nodes in the heart