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Atrioventricular nodal branch
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<p>The atrioventricular nodal branch is a <a href="/facts/Coronary_arteries/Xsx1dekd">coronary artery</a> that supplies arterial blood to the <a href="/facts/Atrioventricular_node/rRMrQror">atrioventricular node</a>, which is responsible for <a href="/facts/Muscle_contraction/EbloCYfV">initiating</a> muscular contraction of the <a href="/facts/Ventricle_(heart)/FCzV1xm7">ventricles</a>. The AV nodal branch is most often a branch of the <a href="/facts/Right_coronary_artery/lIFsjr88">right coronary artery</a>. </p>