title: The ionic permeability of the amphibian oocyte in the presence or absence of external calcium.
mesh_terms: D000818:Animals; D001001:Anura; D002118:Calcium / Q000494:pharmacology*; D002463:Cell Membrane Permeability; D002712:Chlorides / Q000378:metabolism; D005260:Female; D008564:Membrane Potentials; D008839:Microelectrodes; D010063:Ovum / Q000032:analysis / Q000187:drug effects / Q000378:metabolism / Q000502:physiology*; D011188:Potassium / Q000032:analysis / Q000378:metabolism; D011194:Potassium Isotopes; D011894:Rana pipiens; D012964:Sodium / Q000032:analysis / Q000378:metabolism; D012975:Sodium Isotopes
chemical_list: D002712:Chlorides; D011194:Potassium Isotopes; D012975:Sodium Isotopes; D012964:Sodium; D011188:Potassium; D002118:Calcium