Mark the vena CAVA and the portal vein.
"A Handbook of Health"
Woods Hutchinson
Nature thought of that long ago, and ingeniously but very simply guarded against it by causing two little folds of the lining of the blood pipes to stick up both where the vena CAVA enters the heart and where the aorta leaves it, so as to form little flaps which act as valves.
"A Handbook of Health"
Woods Hutchinson
Therein, most assuredly, not small is the share of the peerless Dulcinea, through whom her town will be famous and celebrated in ages to come, as Troy was through Helen, and Spain through La CAVA, though with a better title and tradition.
"The History of Don Quixote, Volume II., Complete"
Miguel de Cervantes Saavedra