Sino-atrial and atrial electrogenesis.
D000200:Action Potentials; D016275:Atrial Function; D001341:Autonomic Nervous System / Q000502:physiology; D001693:Biological Transport, Active; D006325:Heart Atria / Q000033:anatomy & histology; D006801:Humans; D008564:Membrane Potentials; D009200:Myocardial Contraction; D009206:Myocardium / Q000378:metabolism; D011188:Potassium / Q000378:metabolism; D012849:Sinoatrial Node / Q000033:anatomy & histology / Q000502:physiology*; D012964:Sodium / Q000378:metabolism
D012964:Sodium; D011188:Potassium