Sequence of atrial depolarization at different stages of development of the chick embryo.
D000818:Animals; D002642:Chick Embryo; D004562:Electrocardiography; D005318:Fetal Heart / Q000502:physiology*; D006325:Heart Atria / Q000196:embryology; D006329:Heart Conduction System / Q000196:embryology*; D012849:Sinoatrial Node / Q000196:embryology