atlas

Magnified View (via Quicktime VR)

a) First rib (s. costa I).
b) Last rib (s. costa XII).
c) First lumbar vertebra.
d) Superior vena cava.
e) Inferior vena cava.
f) Thoracic aorta.
g) Aortic arch.

1. azygos vein.
2. junction of azygos vein with superior vena cava.
3. lumbar arteries and veins.
4. intercostals arteries and veins.