title: Ca and Mg control of cytostatic factors from Rana pipiens oocytes which cause metaphase and cleavage arrest.
mesh_terms: D000818:Animals; D001001:Anura; D002118:Calcium / Q000494:pharmacology*; D002453:Cell Cycle / Q000187:drug effects*; D002455:Cell Division / Q000187:drug effects; D004533:Egtazic Acid / Q000494:pharmacology; D005260:Female; D005306:Fertilization; D008274:Magnesium / Q000494:pharmacology*; D008540:Meiosis / Q000187:drug effects; D008677:Metaphase / Q000187:drug effects*; D009865:Oocytes / Q000502:physiology*; D010063:Ovum / Q000502:physiology*; D011894:Rana pipiens; D015053:Zygote / Q000166:cytology*
chemical_list: D004533:Egtazic Acid; D008274:Magnesium; D002118:Calcium