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vena[ve´nah] (pl. ve´nae) (L.)
vein (see also Appendix 2-6).
inferior vena cava the venous trunk for the lower extremities and the pelvic and abdominal viscera; it empties into the right atrium of the heart. See Appendix 2-6.
superior vena cava the venous trunk draining blood from the head, neck, upper extremities, and chest; it empties into the right atrium of the heart. See Appendix 2-6.
n. pl. venae cavae (kā′vē)
Either of two large veins that drain blood from the upper body and from the lower body and empty into the right atrium of the heart.
vena ca′val (-vəl) adj.
vena cava(pl. venae cavae) one of the two major veins of the BLOOD CIRCULATORY SYSTEM that carry blood from other veins to the right atrium of the HEART. The inferior vena cava receives blood from parts of the body below the diaphragm; the superior vena cava drains blood from all parts of the body above the diaphragm.
The large vein that drains directly into the heart after gathering incoming blood from the entire body.
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