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Structure of the Heart

Structure of the Heart. Fibrous pericardium. Outermost layer. Parietal pericardium. inside lining of outer covering. Pericardial cavity. Space in between. Epicardium (visceral pericardium). Directly covering the heart. Myocardium (cardiac muscle). Intercalated disc*. Musculi pectinate.

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Structure of the Heart

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  1. Structure of the Heart

  2. Fibrous pericardium Outermost layer

  3. Parietal pericardium inside lining of outer covering

  4. Pericardial cavity Space in between

  5. Epicardium (visceral pericardium) Directly covering the heart

  6. Myocardium (cardiac muscle)

  7. Intercalated disc*

  8. Musculi pectinate

  9. Papillary muscle Muscle at the base of the chordae tendineae

  10. Chordae tendineae Heart strings

  11. Trabeculaecarneae Fold of muscle in the ventricle

  12. Moderator band

  13. Endocardium Inner lining of the heart

  14. Ligamentum arteriosum

  15. Right Atrium

  16. Right auricle

  17. Superior vena cava

  18. Inferior vena cava

  19. Coronary sinus

  20. Interatrial septum

  21. Tricuspid valve

  22. Rt. ventricle

  23. Interventricular septum

  24. Pulmonary (semilunar) valve Separates the right ventricle and the pulmonary artery

  25. Pulmonary trunk

  26. Pulmonary arteries (L & R )

  27. Left atrium

  28. Left auricle

  29. Pulmonary veins (R & L) – posterior view

  30. Mitral (bicuspid) valve

  31. Left ventricle

  32. Aortic (semilunar) Valve Separates the left ventricle and the aorta Located behind the Mitral valve

  33. Aorta

  34. Systemic Circulation Supplies oxygenated blood to all of the tissues located throughout the body, with the exception of the heart and lungs.

  35. Cardiac circulation

  36. Left coronary artery (only seen if auricle is open)

  37. Circumflex artery

  38. Anterior interventricular artery

  39. Right coronary artery

  40. Marginal artery

  41. Posterior interventricular artery

  42. Great cardiac vein

  43. Middle cardiac vein

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