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Bassett Collection of Stereoscopic Images of Human Anatomy

Detailed dissection of heart

Interior of left atrium, posterior view

Image #122-1

KEYWORDS: Heart, Left heart.

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Detailed dissection of heart
Interior of left atrium, posterior view
The left atrium has been opened by means of a U-shaped incision through its posterior wall. The left surface of the interatrial septum (13) appears opposite this incision.
  1. Pulmonary trunk (cut across at bifurcation into right and left branches)
  2. Left pulmonary veins (cut at entry into left atrium)
  3. Left auricle
  4. Fat in posterior part of coronary sulcus
  5. Left atrioventricular opening
  6. Reflected flap of posterior atrial wall
  7. Line of reflection of serous pericardium
  8. Right pulmonary artery
  9. Superior vena cava
  10. Right pulmonary veins
  11. Right atrium
  12. Valve of foramen ovale (falx septi)
  13. Interatrial septum
  14. Inferior vena cava