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Ex. 41 Structure of the Heart

Ex. 41 Structure of the Heart. Fibrous pericardium (outermost). Parietal pericardium . (inside lining of outer covering). Percardial cavity (space between). Epicardium (visceral pericardium). Myocardium (cardiac muscle). Intercalated disc*. Musculi pectinate. Papillary muscle.

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Ex. 41 Structure of the Heart

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  1. Ex. 41 Structure of the Heart

  2. Fibrous pericardium (outermost)

  3. Parietal pericardium (inside lining of outer covering)

  4. Percardial cavity (space between)

  5. Epicardium (visceral pericardium)

  6. Myocardium (cardiac muscle)

  7. Intercalated disc*

  8. Musculi pectinate

  9. Papillary muscle muscle @ base of chordae tendineae

  10. Chordae tendineae "heart strings"

  11. Trabeculae carneae (folds of muscle in ventricle)

  12. Moderator band

  13. Endocardium (inner lining of 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

  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 valve (above bicuspid valve medial cusp)

  33. Aorta

  34. Systemic Circulation

  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

  44. Next Ex. 44 Blood Vessels

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