Rapid primary microwave‐glutaraldehyde fixation preserves the plasma membrane and intracellular structures of the protozoan Tritrichomonas foetus

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Abstract
Tritrichomonas foetus, a pathogenic protozoan, was used as a model to analyse microwave‐stimulated fixation as a procedure of preparation of biological samples for electron microscopy of thin sections and freeze‐fracture replicas. Good preservation of the protozoan structure was achieved by microwave‐stimulated fixation and Epon polymerization. The membrane structure, as visualized in freeze‐fracture replicas, was well preserved.