Structure of mitochondria of myocardium at physical strain by prolonged intermittent swimming and at physical overstrain by one-time swimming until full exhaustion.
D000818:Animals; D006332:Cardiomegaly / Q000473:pathology*; D004332:Drowning; D008854:Microscopy, Electron; D008931:Mitochondria, Muscle; D009206:Myocardium / Q000473:pathology*; D005082:Physical Exertion; D051381:Rats; D013550:Swimming