| 单词 | postcava |
| 释义 | postcava (extremely rare) n WORD FAMILY postcava n receives blood from lower limbs and abdominal organs and empties into the posterior part of the right atrium of the heart; formed from the union of the two iliac veins Syn|Hyper inferior vena cava vena cava either of two large veins that return oxygen-depleted blood to the right atrium of the heart |
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