About The Medical Condition Staining, Negative
Find the definition of the medical term Staining, Negative. Staining, Negative defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Staining, Negative
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What's The Definition Of The Medical Condition Staining, Negative?
The technique of washing tissue specimens with a concentrated solution of a heavy metal salt and letting it dry. The specimen will be covered with a very thin layer of the metal salt, being excluded in areas where an adsorbed macromolecule is present. The macromolecules allow electrons from the beam of an electron microscope to pass much more readily than the heavy metal; thus, a reversed or negative image of the molecule is created.
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