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Atrio-ventricular node is present in...

Atrio-ventricular node is present in

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Atrio-ventricular node and atrio-ventricular bundle plays an important role in the contraction of ventricles.
Aricular contraction initiated by the wave of excitation from sino-artrial node (SAN) stimulate the atrio-ventricular node from where they are conducted through the bundle of His (atrio-ventricular bundle), its branches and Purkinje fibers to the entire ventricular musculature. This causes the stimulation ventricular systole. It lasts about 0.3 sec.
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