Medical Dictionary
superior vena cava
noun
Medical Definition of SUPERIOR VENA CAVA
: a vein that is the second largest vein in the human body, is formed by the union of the two brachiocephalic veins at the level of the space between the first two ribs, and returns blood to the right atrium of the heart from the upper half of the body
Illustration of SUPERIOR VENA CAVA
Seen & Heard
What made you want to look up superior vena cava? Please tell us where you read or heard it (including the quote, if possible).