A very large artery carries the blood from the aorta to each side of the kidney, and a large vein carries the purified blood back to the vena cava and heart.
"A Handbook of Health"
Woods Hutchinson
"But," some of you will ask at once, "what is to prevent the blood in the heart, when the muscle wall squeezes down upon it, from shooting backward into the vena cava, instead of forward into the aorta?"
"A Handbook of Health"
Woods Hutchinson
That especially it commenced in weakened action of the heart, resulting in congestion of the vena cava, its branches and capillary distribution, and that fever was but the reaction of the vital force to overcome this condition, which unrelieved would result in death.
"The History of the Medical Department of Transylvania University"
Robert Peter