title: Control of chromosome behavior in amphibian oocytes. I. The activity of maturing oocytes inducing chromosome condensation in transplanted brain nuclei.
mesh_terms: D000818:Animals; D001001:Anura; D001921:Brain / Q000166:cytology*; D002875:Chromosomes; D003593:Cytoplasm; D005260:Female; D008540:Meiosis; D053652:Nuclear Transfer Techniques; D010063:Ovum / Q000166:cytology* / Q000187:drug effects / Q000254:growth & development; D011374:Progesterone / Q000494:pharmacology; D011894:Rana pipiens; D013997:Time Factors; D014184:Transplantation, Homologous
chemical_list: D011374:Progesterone