superior vena cava
superior vena cava
nounDefinition 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
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