SUMMARY The use of high molecular weight polyethylene glycol as an embedding medium for the production of resin‐free sections of plant cells is described. Specimens can be observed at a range of accelerating voltages, are high in contrast and require no heavy metal staining. All the major organelles appear intact and a three‐dimensional network of filaments in the cytoplasm and nucleoplasm is reported.
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Hawes et al. (1985) studied this question.
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