title: Ultrastructural study of the intra- and extracellular sporozoites of Eimeria callospermophili.
mesh_terms: D000818:Animals; D002417:Cattle; D002462:Cell Membrane; D002466:Cell Nucleolus; D002467:Cell Nucleus; D046508:Culture Techniques; D003594:Cytoplasmic Granules; D004539:Eimeria / Q000166:cytology* / Q000254:growth & development; D006056:Golgi Apparatus; D007422:Intestines; D008854:Microscopy, Electron; D008870:Microtubules; D008928:Mitochondria; D012270:Ribosomes; D013194:Staining and Labeling; D013997:Time Factors