About The Medical Condition Sinoatrial Nodes
Find the definition of the medical term Sinoatrial Nodes. Sinoatrial Nodes defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Sinoatrial Nodes
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What's The Definition Of The Medical Condition Sinoatrial 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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