1 — Apex of heart; 2 — Interventricular septum, muscular part; 3 — Left ventricle; 4 — Serous pericardium, visceral layer, epicardium; 5 — Anterior papillary muscle; 6 — Left atrioventricular orifice; 7 — Left fibrous ring; 8 — Great cardiac vein; 9 — Left auricle; 10 — Left superior pulmonary vein; 11 — Myocardium; 12 — Right superior pulmonary vein; Right inferior pulmonary vein; 13 — Left atrium, interatrial septum; 14 — Valve of foramen ovale, falx of septum; 15 — Left inferior pulmonary vein; 16 — Mitral valve; Left atrioventricular valve, posterior cusp; 17 — Chordae tendineae; Tendinous cords; 18 — Posterior papillary muscle; 19 — Trabeculae carneae; 20 — Posterior semilunar cusp; Noncoronary cusp; 21 — Right semilunar cusp; Right coronary cusp; 22 — Nodules of semilunar cusps; 23 — Right auricle; 24 — Right coronary artery; 25 — Left semilunar cusp; Left coronary cusp; 26 — Pulmonary trunk; 27 — Aortic sinus; 28 — Aortic bulb; 29 — Left coronary artery, anterior interventricular branch; 30 — Lunules of semilunar cusps; 31 — Interventricular septum, membranous part; 32 — Mitral valve;
Left atrioventricular valve, anterior cusp
