title: Ultrastructural study of schizogony in Eimeria callospermophili.
mesh_terms: D000818:Animals; D002466:Cell Nucleolus; D002467:Cell Nucleus; D004539:Eimeria / Q000166:cytology* / Q000254:growth & development; D006056:Golgi Apparatus; D008675:Metamorphosis, Biological; D008854:Microscopy, Electron; D008870:Microtubules; D012589:Sciuridae