Heart: excitation-contraction coupling.
D000200:Action Potentials; D000818:Animals; D001001:Anura; D001485:Basement Membrane; D001665:Binding Sites; D002110:Caffeine / Q000494:pharmacology; D002118:Calcium / Q000032:analysis / Q000378:metabolism*; D002395:Catecholamines / Q000494:pharmacology; D002462:Cell Membrane; D004071:Digitalis Glycosides / Q000494:pharmacology; D004492:Edetic Acid / Q000494:pharmacology; D004594:Electrophysiology; D005110:Extracellular Space; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D006801:Humans; D007811:Lanthanum / Q000494:pharmacology; D008564:Membrane Potentials; D008928:Mitochondria / Q000502:physiology; D008954:Models, Biological; D009206:Myocardium / Q000032:analysis / Q000166:cytology; D011188:Potassium / Q000494:pharmacology; D051381:Rats; D012964:Sodium / Q000494:pharmacology
D002395:Catecholamines; D004071:Digitalis Glycosides; D002110:Caffeine; D007811:Lanthanum; D004492:Edetic Acid; D012964:Sodium; D011188:Potassium; D002118:Calcium