precava

名词 precava:

1. 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

pre.ca.va

n.（名词）
【复数】 pre.ca.vae[-vô]
The superior vena cava.
前腔静脉

来源：
pre-
pre-
(vena) cava
(vena) cava

【引伸】
preca.val
adj.（形容词）