vena cava

noun

🔊/ˌviːnə ˈkeɪvə/

(plural venae cavae

🔊/ˌviːniː ˈkeɪviː/

)

(anatomy解剖学)

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either of the two veins that take blood without oxygen in it towards the heart腔静脉
Word Originlate 16th cent.: from Latin, literally ‘hollow vein’.