Ventricular contraction--an important adjunct to sub-endocardial perfusion.
D000818:Animals; D003326:Coronary Circulation; D003331:Coronary Vessels; D004699:Endocardium / Q000098:blood supply*; D006321:Heart / Q000502:physiology*; D006339:Heart Rate; D006801:Humans; D016276:Ventricular Function