1. Right atrium
  2. Atrial appendage (auricle of right atrium)
  3. Coronary sulcus
  4. Right ventricle
  5. Anterior interventricular sulcus
  6. Left ventricle
  7. Left atrium
  8. Pulmonary vein
  9. a. Right pulmonary artery

    b. left pulmonary artery

  10. Ductus arteriosus---ligamentum arteriosum
  11. Ascending aorta
  12. Aortic arch
  13. Brachiocephalic trunk
  14. Left common carotid artery
  15. Left subclavian artery
  16. Superior vena cava
  17. Right brachiocephalic vein
  18. Left brachiocephalic vein
  19. Descending aorta
  20. Esophagus
  21. Trachea
  22. Annular ligament
  23. Tracheal cartilages
  24. Left bronchus
  25. Right bronchus
  26. Inferior vena cava
  27. Coronary sinus
  28. Great coronary vein
  29. Left coronary artery
  30. Fatty tissue
  31. Right coronary artery
  32. Sino-atrial node (S-A node)
  33. Orifice of interior vena cava
  34. Valve of inferior vena cava
  35. Tricuspid valve
  36. Atrioventricular node
  37. Semilunar valves of pulmonary artery
  38. Right branch of Bundle of His/ atrioventricular bundle
  39. Purkinje fibers
  40. Chordae tendinae
  41. Bicuspid valve
  42. Papillary muscle
  43. Left branch of Bundle of His/ atrioventricular bundle
  44. Interventricular septum
  45. Semilunar valves of aorta
  46. Small cardiac vein
  47. Left posterior ventricular vein
  48. Apex of heart
  49. Circumflex artery
  50. Anterior interventricular artery
  51. Atrial appendage (auricle of left atrium)
  52. Pectinate muscles
  53. Crista terminalus
  54. Left posterior ventricular branch
  55. Fossa ovalis
  56. Inter Atrial Septum
  57. Valve of coronary sinus
  58. Coronary sinus
  59. Azygos vein
  60. Middle cardiac vein
  61. Right posterior interventricular artery
  62. Trabeculae carneae
  63. Right marginal artery
    64.