Comparative physiological and morphological aspects of pacemaker tissues.
D000717:Anatomy, Comparative; D000818:Animals; D002118:Calcium / Q000378:metabolism; D002712:Chlorides / Q000378:metabolism; D004594:Electrophysiology; D006329:Heart Conduction System / Q000033:anatomy & histology* / Q000502:physiology*; D006859:Hydrogen / Q000378:metabolism; D066298:In Vitro Techniques; D010828:Physiology, Comparative; D011188:Potassium / Q000378:metabolism; D012964:Sodium / Q000378:metabolism