1 — Serous pericardium, parietal layer; 2 — Serous pericardium, visceral layer, epicardium; 3 — Right ventricle; 4 — Right coronary artery; 5 — Small cardiac vein; 6 — Right atrium; 7 — Conus arteriosus; Infundibulum; 8 — Right auricle; 9 — Right pulmonary artery; 10 — Superior vena cava; 11 — Arch of aorta; Aortic arch; 12 — Brachiocephalic trunk; 13 — Left common carotid artery; 14 — Left subclavian artery; 15 — Ligamentum arteriosum (Ductus arteriosus); 16 — Left pulmonary artery; 17 — Pulmonary trunk; 18 — Left auricle; 19 — Great cardiac vein; 20 — Left coronary artery, circumflex branch; 21 — Left coronary artery, anterior interventricular branch; 22 — Left ventricle;
23 — Anterior interventricular vein; 24 — Apex of heart
