Quick Review Cards for Medical Laboratory Science

Other Types of Microscopy continued

EXPLANATION APPLICATION IN CLINICAL LABORATORY

Electron Microscopes

Transmission

Scanning

Virology, cells (organelles)

Virology, cells (surface)

Beam of electrons passes through specimen, focused onto

fluorescent screen or photographic plate. Magnification

>100,000×.

Beam of electrons strikes surface of specimen, focused

onto photographic film or cathode ray tube. 3-D image.

Magnification >1,000×.

Laboratory Operations Review 40