Definition of Superior vena cava
Superior vena cava: A large vein that receives blood from the head, neck, upper extremities, and thorax and delivers it to the right atrium of the heart.
http://www.medterms.com/script/main/art.asp?articlekey=10781
Last Editorial Review: 6/14/2012
Drug Medical Dictionary of Terms by Letter
Medical Dictionary Term:
Women's Health
Find out what women really need.






