About The Word Sino-Atrial Nodes
Find the definition of the medical term Sino-Atrial Nodes. Sino-Atrial Nodes defined and explained for easy understanding at the Medical Dictionary from ClusterMed.info.
Sino-Atrial Nodes
| Sino-Atrial Nodes Definition And Meaning |
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What's The Definition Of Medical Term Sino-Atrial Nodes?
The small mass of modified cardiac muscle fibers located at the junction of the superior vena cava and right atrium. Contraction impulses probably start in this node, spread over the atrium and are then transmitted by the atrioventricular bundle to the ventricle.
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