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