Lack of electrical coupling between contiguous myocardial cells in vertebrate hearts.
D000818:Animals; D001001:Anura; D002415:Cats; D004594:Electrophysiology; D006321:Heart / Q000502:physiology*; D006329:Heart Conduction System / Q000502:physiology; D006352:Heart Ventricles; D066298:In Vitro Techniques; D007422:Intestines; D008954:Models, Biological; D009119:Muscle Contraction; D009130:Muscle, Smooth; D009206:Myocardium / Q000166:cytology; D009431:Neural Conduction; D010210:Papillary Muscles / Q000502:physiology; D014714:Vertebrates