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An
electron-optical instrument that utilizes a beam
of electrons, rather than light, to focus on cell
surfaces of a very thin specimen to produce an enlarged
image on a fluorescent screen or photographic plate.
Because resolution (the ability to distinguish adjacent
objects as separate) is better and magnification
1,000 times that of an optical light microscope
is possible, electron microscopy can help determine
the nature of tumors and of kidney disease. |
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