from the GNU version of the Collaborative International Dictionary of English
- adj. relating to or affecting the atria and ventricles of the heart.
from The Century Dictionary and Cyclopedia
- Pertaining both to the auricles and to the ventricles of the heart: as, the auriculoventricular orifice. See cut under heart.—
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. relating to or affecting the atria and ventricles of the heart
Sorry, no etymologies found.
The atria are separated from the ventricles by the coronary sulcus (auriculoventricular groove); this contains the trunks of the nutrient vessels of the heart, and is deficient in front, where it is crossed by the root of the pulmonary artery.