Effects of age and exercise on the extent of the myocardial capillary bed.
D000222:Adaptation, Physiological; D000375:Aging; D000818:Animals; D001835:Body Weight; D001919:Bradycardia; D002196:Capillaries / Q000502:physiology*; D003331:Coronary Vessels / Q000502:physiology*; D006339:Heart Rate; D006352:Heart Ventricles; D008297:Male; D009132:Muscles / Q000098:blood supply; D009206:Myocardium; D009210:Myofibrils / Q000502:physiology; D005082:Physical Exertion; D051381:Rats