precava pre·ca·va (prē-kā'və, -kä'-)
n. pl pre·ca·vae (-vē)
See superior vena cava.
vena cava vena ca·va (kā'və)
n. pl. venae ca·vae (kā'vē)
Either of the two venae cavae, designated inferior and superior. Also called cava.
Plural venae cavae (vē'nē kā'vē)
Either of two large veins that carry blood with low levels of oxygen to the right atrium of the heart. ◇ The superior vena cava receives blood from the brain and upper limbs or forelimbs. ◇ The inferior vena cava drains blood from the trunk and lower limbs or hindlimbs and is the largest vein in the body.