arteria, arterial blood vessel, artery - a blood vessel that carries blood from the heart to the body

atrial artery - the branch of the coronary artery that supplies the muscles of the atria

right coronary artery - arises from the right aortic sinus; supplies the right side of the heart

left coronary artery - arises from the left aortic sinus; supplies the left side of the heart

ticker, heart, pump - the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions pump blood through the body; "he stood still, his heart thumping wildly"