superior vena cava


superior vena cava

noun

Definition of SUPERIOR VENA CAVA

:  the branch of the vena cava of a vertebrate that brings blood back from the head and anterior part of the body to the heart

First Known Use of SUPERIOR VENA CAVA

1875

superior vena cava

noun    (Medical Dictionary)

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

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