Brachiocephalic Artery 1 Aortic Arch Ascending Aorta 2

Brachiocephalic Artery 1 Aortic Arch Ascending Aorta 2 Left Common Carotid Left Subclavian Artery 3 4 5 Pulmonary (Trunk) Artery 6 Right Auricle 7 9 8 Left Coronary Artery 13 Anterior Interventricular Artery 14 Left Pulmonary Artery Left Primary Bronchus 10 Left Pulmonary Veins 12 11 Descending Circumflex Artery (thoracic) Aorta 15 Left Auricle Pericardial Sac (Parietal Pericardium) Apex Sternum 19 18 16 17 Diaphragm

Brachiocephalic Artery 1 Aortic Arch 2 Left Common Carotid Left Subclavian Artery 3 4 Ascending Aorta 5 Pulmonary (Trunk) Artery 6 Right Auricle 7 Left Primary Bronchus 9 10 Tricuspid Valve L. A. D. 16 14 12 20 Left Ventricle 22 Pericardial Sac (Parietal Pericardium) Esophagus Left Atrium 11 13 Opening to Right Atrium 8 Aortic Semilunar Valve 15 Left Pulmonary Artery Bicuspid Valve Chordae Tendineae 18 Myocardium 19 Epicardium 21 Papillary Muscles 17

Trachea Esophagus 1 Brachiocephalic Artery 3 2 Superior Vena Cava 4 5 Right Primary Bronchus Ascending Aorta Right Auricle 6 7 Esophagus 8 9 Apex Right Coronary Artery Liver 12 10 Diaphragm 11

Trachea Esophagus 1 3 2 Superior Vena Cava 4 Right Primary Bronchus 6 Brachiocephalic Artery 5 Right Atrium Ascending Aorta Pulmonary Semilunar Valve (trunk) Artery Right Ventricle 9 8 15 Openings of Venae Cavae 7 14 10 12 Chordae Tendineae 13 Papillary Muscles 11 15 Fossa Ovalis 16 Apex Tricuspid Valve

Aortic Arch Descending (thoracic) Aorta 4 Superior Vena Cava 6 1 5 Right Pulmonary Arteries 6 2 Right Primary Bronchus 7 Right Pulmonary Veins 7 Thoracic Vertebrae 8 9 Coronary Sinus 3 3 Inferior Vena Cava

Aortic Arch Superior Vena Cava Pulmonary (Trunk) Artery 2 3 1 Right Pulmonary Veins Tricuspid Valve 4 5 4 Thoracic Vertebrae Inferior Vena Cava 6 7 7

Left Common Carotid 1 Aortic Arch 3 Ligamentum Arteriosum Left Pulmonary Artery 2 4 6 Left Primary Bronchus 7 8 Left Pulmonary Veins Pericardial Sac (Parietal Pericardium) 8 9 10 Coronary Sinus Left Subclavian Artery 5 Descending (thoracic) Aorta

Aortic Arch 2 Left Pulmonary Artery Superior Vena Cava 3 Left Atrium 1 Aortic Semilunar Valve Fossa Ovalis Myocardium Chordae Tendineae Papillary Muscles 4 6 7 9 8 5 10 11 Bicuspid Valve 12 Coronary Sinus Right Pulmonary Veins

Right Internal Jugular Right Common Carotid Right Subclavian Artery Right Subclavian Vein Right Brachiocephalic Vein 1 2 3 Brachiocephalic Artery 16 17 14 15 18 19 20 4 Superior Vena Cava 5 21 Pulmonary Veins 6 7 Aortic Arch Left Common Carotid Left Internal Jugular Left Subclavian Artery Left Subclavian Vein Left Brachiocephalic Vein 22 Pulmonary Arteries Ascending Aorta 8 9 Right Coronary Artery Anterior Interventricular Artery 10 Inferior Vena Cava Hepatic Veins 11 Celiac Trunk 12 13 Abdominal Aorta

Left Brachiocephalic Vein 6 5 Right Brachiocephalic Vein 1 8 7 Left Subclavian Artery Superior Vena Cava 2 9 Left Common Carotid Brachiocephalic Artery 3 4 Pulmonary Arteries Ascending Artery Pulmonary Veins 10 10 Intercostal Veins and Arteries

Inferior Vena Cava 1 Right Gonadal Vein 2 3 Right Gonadal Artery 6 Celiac Artery Superior 7 Mesenteric Artery 8 Renal Artery 9 Renal Vein Inferior 10 Mesenteric Artery 11 Abdominal Aorta 12 Common Iliac Artery 13 Common Iliac Vein External Iliac Artery 4 External Iliac Vein 5 14 Internal Iliac Vein 15 Internal Iliac Artery