Differentiation during encystment and excystment in Oxytricha fallax.
D000818:Animals; D002454:Cell Differentiation; D002455:Cell Division; D002462:Cell Membrane; D002466:Cell Nucleolus; D002467:Cell Nucleus; D016798:Ciliophora / Q000166:cytology / Q000254:growth & development*; D003594:Cytoplasmic Granules; D002479:Inclusion Bodies; D008854:Microscopy, Electron; D008870:Microtubules; D008928:Mitochondria; D009024:Morphogenesis