title: Precocious induction of activation responses in amphibian oocytes by divalent ionophore A23187.
mesh_terms: D000818:Animals; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D001001:Anura; D000001:Calcimycin / Q000494:pharmacology*; D003345:Corticosterone / Q000031:analogs & derivatives; D003594:Cytoplasmic Granules; D004121:Dimethyl Sulfoxide / Q000494:pharmacology; D005260:Female; D008540:Meiosis; D009865:Oocytes / Q000378:metabolism* / Q000648:ultrastructure; D010063:Ovum / Q000378:metabolism*; D011894:Rana pipiens; D013997:Time Factors; D014817:Vitelline Membrane / Q000378:metabolism
chemical_list: D000900:Anti-Bacterial Agents; D000001:Calcimycin; D003345:Corticosterone; D004121:Dimethyl Sulfoxide