Action potential characteristics of rat cardiac cells do not change with time in culture.
D000200:Action Potentials; D000818:Animals; D000831:Animals, Newborn / Q000502:physiology*; D002452:Cell Count; D002455:Cell Division; D002478:Cells, Cultured; D005347:Fibroblasts / Q000166:cytology; D006321:Heart / Q000502:physiology*; D009206:Myocardium / Q000166:cytology; D051381:Rats; D013997:Time Factors