Fibrous pericardium / Pericardial sac SVC Brachiocephalic veins Left common carotid Left subclavian artery

Cut edge of the pericardial sac Epicardium / visceral layer Of the serous pericardium Brachiocephalic artery Right common carotid

Parietal layer of the serous pericardium / Inside of pericardial sac IVC Pulmonary veins Pulmonary trunk Aortic arch

Right coronary artery in Coronary sulcus Anterior interventricular artery Pericardial cavity / space Great cardiac vein

Fossa ovale Tricuspid valve Papillary muscle Chordae tendinae Pulmonary semilunar valve

Pulmonary arteries Ligamentum arteriosum IVC Thoracic aorta Azygos vein Pulmonary veins

Ligamentum arteriosum Anterior interventricular artery Right coronary artery In coronary sulcus SVC

Right atrium Superior vena cava Brachiocephalic veins Brachiocephalic artery Aortic arch Right ventricle

Fossa ovale Opening from coronary sinus Right and Left bundle branches Purkenje fibers

Interventricular septum Brachiocephalic artery Left common carotid artery Left subclavian artery Coronary arteries Tricuspid valveBicuspid or Mitral valve Aortic semilunar valve

Opening from coronary sinus Fossa ovale AV Node AV Bundle (of His) Pulmonary veins SA Node Coronary arteries

Aortic Semilunar valve Chordae tendinae Papillary muscle Pulmonary veins Right and left bundle branches

1 2 3

Pulmonary artery Pulmonary trunk Pulmonary vein

Coronary sinus IVC Pulmonary veins Pulmonary artery

Pulmonary veins Pulmonary artery Right atrium Coronary sinus

SVC IVC Anterior interventricular artery Right coronary artery Right atrium Right ventricle Left ventricle

Right atrium Tricuspid valve Bicuspid / Mitral valve Pulmonary semilunar valve Aortic semilunar valve Chordae tendinae Papillary muscle

Pulmonary veins Coronary sinus IVC SVC Aorta Pulmonary artery

Ligamentum arteriosum Superior vena cava Brachiocephalic artery Pulmonary trunk Aorta

Superior vena cava Ligamentum arteriosum Pulmonary trunk/artery Aorta

Pulmonary trunk Ligamentum arteriosum Brachiocephalic artery Left ventricle Right ventricle

Interventricular groove Right ventricle Left ventricle Pulmonary trunk Brachiocephalic artery

1 2 3

Inferior vena cava Superior vena cava Groove containing coronary sinus

Left ventricle Chordae tendinae Cusps of the bicuspid / Mitral valve Cusp of aortic semilunar valve Aorta Cusp of tricuspid valve Interventricular septum

Bicuspid valve Chordae tendinae Papillary muscle Pulmonary trunk Aorta Brachiocephalic artery

1 2

Bicuspid valve Chordae tendinae

2 1 3

right atrium Pericardal sac Apex

Layers of the heart: 1 2 3

Epicardium Myocardium Endocardium

Umbilical vein Inferior vena cava Umbilical arteries Abdominal aorta

Umbilical vein Ductus venosus Hepatic portal vein Umbilical artery Inferior vena cava Abdominal aorta

Pipe cleaner going Through foramen ovale Ductus arteriosus Pulmonary artery Pulmonary trunk Arch of the aorta Descending aorta

Brachiocephalic artery Left common carotid artery Left subclavian artery Ductus arteriosus Pulmonary artery

Brachiocephalic veins Superior vena cava Ascending aorta Pulmonary trunk Pipe cleaner traversing the Foramen ovale