title: Fine structure of the M fibres in Stentor before and after shortening.
mesh_terms: D002118:Calcium / Q000378:metabolism; D016798:Ciliophora / Q000166:cytology*; D003470:Culture Media; D008854:Microscopy, Electron; D009940:Organoids; D011487:Protein Conformation
chemical_list: D003470:Culture Media; D002118:Calcium