title: The effect of exercise on myocardial interstitium. An ultrastructural morphometric study.
mesh_terms: D000818:Animals; D002196:Capillaries / Q000648:ultrastructure; D006332:Cardiomegaly; D003238:Connective Tissue / Q000648:ultrastructure; D003331:Coronary Vessels / Q000648:ultrastructure; D005110:Extracellular Space; D009206:Myocardium / Q000648:ultrastructure*; D009929:Organ Size; D005082:Physical Exertion; D051381:Rats; D013550:Swimming