眼虫 Flagellum Second flagellum Contractile Stigma vacuole 草履虫 Reservoir Basal body Micronucleus Contractile vacuole Macronucleus Oral groove Pellicle Cytostome Cytopharynx Food vacuole Nucleus Endoplasm Chloroplast- Ectoplasm- Cytoproct Paramylon Trichocyst granule Cilium