title: Ultrastructural localization of acid phosphatase in feeding Tokophrya infusionum.
mesh_terms: D000135:Acid Phosphatase / Q000032:analysis*; D016798:Ciliophora / Q000201:enzymology*; D003594:Cytoplasmic Granules; D006651:Histocytochemistry; D008722:Methods; D008854:Microscopy, Electron; D013768:Tetrahymena; D013997:Time Factors
chemical_list: D000135:Acid Phosphatase