Mr 10 Deviation Betwixt Sa Node Together With Av Node

The automatic rhythmicity of the pump is its mightiness to contract spontaneously too at a regular rate. The impulse of contraction of the pump originates inward the sino atrial node (SA node) situated inward the correct atruim about the indicate of entry of the vena cava. SA node consists of a pocket-sized number of diffusely oriented cardiac fibres, possessing few myofibrils, and  a few nervus endings from the autonomic nervous system.It is too known every 2nd the measuring maker of the heart.
The automatic rhythmicity of the pump is its mightiness to contract spontaneously too at a r MR X Difference betwixt SA node too AV node
Atrioventricular Node or AV node: It is compact one-half oval majority of myogenic fibres which lies inward the posterior septal  wall of correct atrium nearly the opening of coronary sinus. It receives impulse from SA node too transmits it to ventricles. Direct transmission of impulse from SA node to ventricles is non possible  due to the absence of continuity of muscles betwixt atria too ventricles too the presence of fibrous connexion tissue of atrioventricular septum. Transmission from SA node stimulates AV node to generate fresh impulse for ventricles. Therefore, AV node is too called pacesetter.
SA node vs AV node
 SA node (Sinoatrial node) AV node (Atrioventricular node)
Sinoatrial node is located inward superior lateral wall opening of superior vena cava. AV node is acquaint inward the posterior septal wall of correct of correct atrium nearly the atrium nearly the opening of coronary sinus.
It is longer. It is shorter.
SA node is ellipsoid flattened. It is one-half oval inward outline
It generates the cardiac impulse. It relays too intensifies the cardiac impulse.
SA node transmits impulse straight to the 2 atria. Atrioventricular node carries the impulse to the 2 ventricles through AV bundle, its branches too in conclusion strands.
It is influenced yesteryear autonomic nervous system. It is influenced yesteryear SA node.
SA node acts every 2nd pacemaker. AV node functions every 2nd pacesetter.
Function: Autorhythmic fibres initiate cardiac activeness potentials, which laid upwards basic measuring for pump charge per unit of measurement too deport throughout both atria. Receives activeness potentials from SA node too passes them to atrioventricular(AV) bundle

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