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