title: Biological properties of a presumptive morphogenetic determinant from the amphibian oocyte germinal vesicle nucleus.
mesh_terms: D000818:Animals; D001001:Anura; D002467:Cell Nucleus; D003584:Cytological Techniques; D005260:Female; D006133:Growth Substances / Q000494:pharmacology*; D008855:Microscopy, Electron, Scanning; D009024:Morphogenesis / Q000187:drug effects* / Q000528:radiation effects; D010063:Ovum / Q000187:drug effects* / Q000528:radiation effects; D011830:Radiation Effects; D011894:Rana pipiens / Q000196:embryology*; D011898:Ranidae; D013045:Species Specificity; D013997:Time Factors; D014466:Ultraviolet Rays; D014562:Caudata; D014981:Xenopus
chemical_list: D006133:Growth Substances