However, observations carried out with a phase-contrast microscope on isolated living ... to the action of the fixatives commonly used in histology on the cytoplasmic structures.

From histology to microcinematography ... the ultracentrifuge and the electron microscope (see accompanying article). It may be argued that we are at present experiencing yet another sea change ...

rex did not. Traditional methods and tools like histology and scanning electron microscopes have hinted that this might not actually be true, but a new field of molecular paleobiology is giving us ...