Figure 19.

Left ventricular outflow tract.

• 1
  Right ventricle
• 2
  Left ventricle
• 3
  Rib
• 4
  Spine
• 5
  Descending aorta
• 6
  Left atrium (tip of appendage)
• 7
  Right atrium
• 8
  Ascending aorta (can just see tip of the aortic valve between this and the left atrium)