title: Fine structure of the developing spore of Nosema apis Zander.
mesh_terms: D000818:Animals; D016782:Apicomplexa / Q000166:cytology* / Q000254:growth & development; D001516:Bees; D002467:Cell Nucleus; D004721:Endoplasmic Reticulum; D005613:Freeze Etching; D002479:Inclusion Bodies; D008854:Microscopy, Electron; D013170:Spores / Q000166:cytology*