title: The ontogeny of germ plasm during oogenesis in Drosophila.
mesh_terms: D000818:Animals; D001756:Blastoderm / Q000648:ultrastructure; D002467:Cell Nucleus / Q000648:ultrastructure; D003593:Cytoplasm / Q000637:transplantation; D003594:Cytoplasmic Granules / Q000637:transplantation; D004331:Drosophila melanogaster / Q000502:physiology*; D005260:Female; D005306:Fertilization; D009865:Oocytes / Q000648:ultrastructure; D009866:Oogenesis; D010063:Ovum / Q000648:ultrastructure; D011830:Radiation Effects; D014466:Ultraviolet Rays; D015053:Zygote / Q000528:radiation effects / Q000648:ultrastructure