3. Brachiocephalic trunk
Left common carotid artery
Left subclavian artery
Brachiocephalic veins
Aortic arch
Superior vena cava
Ligamentum arteriosum
Ascending aorta
Pulmonary trunk
Auricle of right atrium
Auricle of left atrium
Right coronary artery
Anterior interventricular (left anterior descending) artery
Great cardiac vein
Right ventricle
Left ventricle

6. Coronary sinus
Inferior vena cava
Lt. pulmonary vein
Rt. Coronary A
Posterior cardiac vein
Middle cardiac vein
Posterior interventricular A.
Right ventricle
Left ventricle

9. Left coronary artery
Left atrium
Tricuspid valve
Chordae tendineae
Aortic semilunar valve
Trabeculae carneae
Bicuspid (mitral) valve
Interventricular septum
Chordae tendineae
Epicardium (of rt. ventricle)
Myocardium (of rt. ventricle)
Papillary muscles

11. Interatrial septum

12. Opening of IVC

15. Brachiocephalic veins
Brachiocephalic trunk
Lt. common carotid A.
Brachiocephalic veins
Lt. subclavian A.
Ligamentum arteriosum
Ascending aorta
Aortic arch
Superior vena cava
Pulmonary trunk
Left pulmonary artery
Right coronary artery
Left pulmonary veins
Left coronary artery
Marginal artery
Circumflex artery
Great cardiac vein
Small cardiac vein
Anterior interventricular (left anterior descending) artery

18. Posterior interventricular artery
Right pulmonary veins
Descending aorta
Right atrium
Left pulmonary artery
Left atrium
Left pulmonary veins
Coronary sinus
Inferior vena cava
Posterior interventricular artery
Posterior cardiac vein
Middle cardiac vein

20. Right pulmonary artery
Ligamentum arteriosum
Pulmonary semilunar valve
Left pulmonary artery
Pulmonary trunk
Sinoatrial (SA) node
Bicuspid (mitral) valve
Tricuspid valve
Purkinje fibers
Trabeculae carneae (in right ventricle)

25. Left pulmonary veins
Left bundle branch (along interventricular septum)
Left atrium
Bicuspid valve
Aortic semilunar valve
Purkinje fibers

31. Tunica media
Internal elastic lamina
Tunica externa
Endothelium of tunica interna

34. Endothelium of tunica interna
Valve
Tunica externa
Tunica media