vis-a-tergo

vis-a-tergo

Cardiology A term referring to the force driving the venous return of peripheral blood, which is supplied by the left ventricle; by the time blood has passed through the capillaries, the blood pressure, or vis-a-tergo, is 15 mm Hg
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.