1 = superior vena cava; 2 = right and left brachiocephaic veins; 3 = aorta; 4 = phrenic nerve.
1 = superior vena cava; 2 = right and left brachiocephaic veins; 3 = aorta; 4 = phrenic nerve.
| John A. McNulty, Ph.D. | Last Updated: Jun 7, 2004 Created: Dec 22, 1996 |