Relating to both the atria and the ventricles of the heart, especially to the ordinary, orthograde transmission of conduction or blood flow.

* * *

atrio·ven·tric·u·lar .ā-trē-(.)ō-.ven-'trik-yə-lər adj
1) of, relating to, or situated between an atrium and ventricle
2) of, involving, or being the atrioventricular node

* * *

atrio·ven·tric·u·lar (a″tre-o-ven-trikґu-lər) pertaining to both an atrium and a ventricle of the heart.

Medical dictionary. 2011.

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