1 — Right marginal branch; 2 — Atrial branches; 3 — Anterior right ventricular veins; 4 — Right atrium; 5 — Right auricle; 6 — Right coronary artery; 7 — Ascending aorta; 8 — Transverse pericardial sinus; 9 — Right pulmonary artery; 10 — Serous pericardium, parietal layer; 11 — Superior vena cava; 12 — Arch of aorta; Aortic arch; 13 — Ligamentum arteriosum (Ductus arteriosus); 14 — Left pulmonary artery; 15 — Pulmonary trunk; 16 — Left coronary artery; 17 — Left atrium, left auricle; 18 — Great cardiac vein; 19 — Left coronary artery, circumflex branch; 20 — Conus arteriosus; Infundibulum; 21 — Left coronary artery, anterior interventricular branch; 22 — Anterior interventricular vein; 23 — Notch of cardiac apex; 24 — Apex of heart; 25 — Middle cardiac vein; Posterior interventricular vein; 26 — Opening of coronary sinus; 27 — Left marginal branch; 28 — Left fibrous ring; 29 — Left fibrous trigone; 30 — Left semilunar cusp; 31 — Right semilunar cusp; 32 — Anterior semilunar cusp; 33 = 30 + 31 + 32 — Pulmonary valve; 34 = 35 + 36 + 37 — Aortic valve; 35 — Left semilunar cusp; Left coronary cusp; 36 — Right semilunar cusp; Right coronary cusp; 37 — Posterior semilunar cusp; Noncoronary cusp; 38 — Sinu-atrial nodal branch; 39 — Right fibrous ring; 40 — Right fibrous trigone; 41 — Atrioventricular bundle; 42 — Valve of coronary sinus; 43 — Right coronary artery, posterior interventricular branch
