precava

详细解释:【医】 上腔静脉

词型变化：

形容词:precaval名词复数:precavae

英语解释：

名词 precava:

receives blood from the head and arms and chest and empties into the right atrium of the heart; formed from the azygos and both brachiocephalic veins同义词：superior vena cava