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Detailed dissection of heart

Atrial myocardium, basal view

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Image #120-2
Bassett Image
Diagram Image
Legend Image
Detailed dissection of heart
Atrial myocardium, basal view
The epicardium has been removed from all parts of the atria with the exception of the left auricle.
  1. Ligamentum arteriosum
  2. Right pulmonary artery
  3. Left pulmonary artery
  4. Left auricle (epicardium intact)
  5. Left superior pulmonary vein
  6. Left inferior pulmonary vein
  7. Left atrium
  8. Upper pointer: Right superior pulmonary vein (note tributary joining vein close to atrial wall) Lower pointer: Right inferior pulmonary vein
  9. Left ventricle (epicardium intact)
  10. Posterior interventricular sulcus (pointer on middle cardiac vein)
  11. Right ventricle
  12. Inferior vena cava
  13. Pulmonary trunk
  14. Ascending aorta
  15. Superior vena cava
  16. Right auricle
  17. Sino-atrial node
  18. Right atrium
  19. Interatrial groove