title: Isolation of micro- and macronuclei of Tetrahymena pyriformis.
mesh_terms: D000818:Animals; D002458:Cell Fractionation / Q000379:methods*; D002467:Cell Nucleus / Q000378:metabolism / Q000648:ultrastructure; D002498:Centrifugation; D003470:Culture Media; D008851:Micropore Filters; D013769:Tetrahymena pyriformis / Q000648:ultrastructure*
chemical_list: D003470:Culture Media