title: [Ultrastructure of sterlet oocytes in the early stages of vitellogenesis. I. Nuclear ultrastructure].
mesh_terms: D000818:Animals; D002466:Cell Nucleolus; D002467:Cell Nucleus / Q000166:cytology*; D005260:Female; D005399:Fishes / Q000196:embryology*; D008854:Microscopy, Electron; D010063:Ovum / Q000166:cytology* / Q000254:growth & development
vernacular_title: Ul'struktura ootsitov sterliadi v nachale vitellogeneza. I. Ul'trastruktura iadra