The SA Node surrounds the nodal artery from which it receives a rich blood supply. These smaller, modified muscle cells generate the electrical signal that controls the heart.
Bar = 250 Microns
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| Slide 20 Sino-atrial Node The SA Node surrounds the nodal artery from which it receives a rich blood supply. These smaller, modified muscle cells generate the electrical signal that controls the heart. Bar = 250 Microns |
