Circumflex Coronary Artery. The Circumflex (Circ) coronary artery is a branch of the left main coronary artery. It travels in the left atrio-ventricular groove that separates the left atrium from the left ventricle. The Circ moves away from the LAD and wraps around to the back of the heart.
importune verb [T] uk / ËÉªm.pÉËËtÊuËn / us / ËÉªm.pÉËrËtuËn / formal âº to make repeated, forceful requests for something, usually in a way that is annoying or causing slight problems:
Definition of arrival for English Language Learners. : 1  the act of coming to or reaching a place : the act of arriving. : 2  someone or something that has come to a place : someone or something that has arrived. : 3  the time when something begins or happens.