title: Use of a nitrogen mustard derivative in fixation for electron microscopy and observations on the ultrastructure of Tetrahymena.
mesh_terms: D000818:Animals; D002462:Cell Membrane; D002923:Cilia; D006652:Histological Techniques; D008722:Methods; D008854:Microscopy, Electron; D009588:Nitrogen Mustard Compounds; D013768:Tetrahymena / Q000166:cytology*
chemical_list: D009588:Nitrogen Mustard Compounds