left dominant distribution of the coronary arteries

presentation advertising screenshot document diagram drawing cartoon circle sketch brand organ line font text nose face map left atrium pulmonary veins right superior vena cava inferior posterior interventricular sulcus coronary sinus arteries apex heart artery circumflex great cardiac vein middle ventricle interatrial septum base anterior surface diaphragmatic aorta tricuspid valve mitral aortic sinoatrial node atrioventricular bundle bundle purkinje fibers heart layers function epicardium myocardium endocardium