title: Differentiation of Na and Ca channels during early development.
mesh_terms: D000200:Action Potentials; D000818:Animals; D002118:Calcium / Q000502:physiology*; D002462:Cell Membrane / Q000502:physiology; D005260:Female; D005306:Fertilization; D007473:Ion Channels / Q000502:physiology*; D008564:Membrane Potentials; D010063:Ovum / Q000502:physiology*; D010312:Parthenogenesis / Q000187:drug effects; D011188:Potassium / Q000494:pharmacology; D012964:Sodium / Q000502:physiology*
chemical_list: D007473:Ion Channels; D012964:Sodium; D011188:Potassium; D002118:Calcium