vena cava
noun/ˌviːnə ˈkeɪvə/
/ˌviːnə ˈkeɪvə/
(plural venae cavae
(anatomy)/ˌviːniː ˈkeɪviː/
/ˌviːniː ˈkeɪviː/
)- either of the two veins that take blood without oxygen in it towards the heartWord Originlate 16th cent.: from Latin, literally ‘hollow vein’.
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vena cava