The two venae cavae, the superior vena cava, a large diameter, short, vein that carries deoxygenated blood from the upper half of the body to the heart's right atrium, and the inferior vena cava, the large vein that carries deoxygenated blood from the lower half of the body into the right atrium
Great vein can be used to refer to any of these veins.
Topics referred to by the same term
This disambiguation page lists articles associated with the title Great veins. If an internal link led you here, you may wish to change the link to point directly to the intended article.