title: Partial characterization of "primordial germ cell-forming activity" localized in vegetal pole cytoplasm in anuran eggs.
mesh_terms: D000818:Animals; D001001:Anura; D003593:Cytoplasm / Q000502:physiology*; D005260:Female; D007814:Larva / Q000166:cytology; D008845:Microinjections; D010063:Ovum / Q000166:cytology* / Q000528:radiation effects; D011898:Ranidae / Q000196:embryology*; D014466:Ultraviolet Rays