Optical Microscopy for Cell Imaging -- to Transmission and Scanning Electron Microscopy -- Potential and Limitation of Cytochemistry -- Cryotechniques for Electron Microscopy: A Minireview -- Cell Membrane Specializations as Revealed by the Freeze-Fracture Technique -- Imaging, Measuring and Manipulating Biological Matter from the Millimeter to Nanometer Scale -- Inside the Small Length and Eneā¦