title: Transmembrane ionic gradients in lepidoptera as related to cardiac electrical activity.
mesh_terms: D000818:Animals; D001692:Biological Transport; D002118:Calcium / Q000032:analysis*; D004594:Electrophysiology; D007313:Insecta; D008274:Magnesium / Q000032:analysis*; D009206:Myocardium / Q000032:analysis*; D011188:Potassium / Q000032:analysis*; D012964:Sodium / Q000032:analysis*
chemical_list: D012964:Sodium; D008274:Magnesium; D011188:Potassium; D002118:Calcium