释义 |
atrioventricular nodal branch
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 |