coronary sulcus

(redirected from auriculoventricular groove)
Also found in: Medical.

coronary sulcus

[′kär·ə‚ner·ē ′səl·kəs]
(anatomy)
A groove in the external surface of the heart separating the atria from the ventricles, containing the trunks of the nutrient vessels of the heart.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.