WordNet
left coronary artery
n. arises from the left aortic sinus; supplies the left side of the heart
Wikipedia
Left coronary artery
The left coronary artery (abbreviated LCA) is an artery that arises from the aorta above the left cusp of the aortic valve and feeds blood to the left side of the heart. It is also known as the left main coronary artery (abbreviated LMCA) and the left main stem coronary artery (abbreviated LMS).
Usage examples of "left coronary artery".
He had occlusive disease in his main left coronary artery, which had been responsible for his heart attack.
In the main branch of the left coronary artery, an inch beyond its origin, he had exposed a pale, half-inch clot.
The left coronary artery and the left ventricle were close, very close.