atrioventricular nodal branch
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a·tri·o·ven·tric·u·lar no·dal branch[TA]
artery supplying the atrioventricular node; it usually arises as the first septal branch of the right coronary artery as it turns to descend the posterior interventricular sulcus.
Synonym(s): ramus nodi atrioventricularis [TA], artery to atrioventricular node, branch to atrioventricular node
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