Changes in the lumen of coronary vessels under oligemic hypotension.
D000818:Animals; D001810:Blood Volume; D002415:Cats; D003250:Constriction; D003331:Coronary Vessels / Q000503:physiopathology*; D006352:Heart Ventricles / Q000503:physiopathology; D006439:Hemodynamics; D007022:Hypotension / Q000503:physiopathology*; D009119:Muscle Contraction