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Cross Sectional View 1. 2. 3 4. 5. 6 7. 8. 9. 10. 11. 12. 13 14. 15. 16. 5. 14. LifeART Collection Images Copyright © 1989-2001 by Lippincott Williams & Wilkins, Baltimore, MD Brachiocephalic artery Superior vena cava Ascending aorta Pulmonary valve Right atrium Cusp of tricuspid valve Right ventricle Papillary muscles Left common carotid artery Left subclavian artery Aortic arch Left superior plumonary vein Left inferior plumonary vein Left atrium Cusp of mitral valve Chordae tendineae Mitral valve Tricuspid valve