Canadian Medical Guide > Analytical, Diagnostic and Therapeutic Techniques and Equipment > Investigative Techniques > Clinical Laboratory Techniques > Cytological Techniques > Histocytochemistry Terms and Definitions

Histocytochemistry

Medical Definition:	Study of intracellular distribution of chemicals, reaction sites, enzymes, etc., by means of staining reactions, radioactive isotope uptake, selective metal distribution in electron microscopy, or other methods.
Guide Notes:	= histochem or cytochem or both; NIM usually with no qualif; SPEC qualif when IM; histochem of disease is disease /metab; Manual 26.11+
Also Called:	Histochemical Effects,Cytochemistry

Histocytochemistry Categories.

	Immunohistochemistry - Histochemical localization of immunoreactive substances using labeled antibodies as reagents.
	Periodic Acid-Schiff Reaction - A histochemical technique for staining carbohydrates. It is based on PERIODIC ACID oxidation of a substance containing adjacent hydroxyl groups. The resulting aldehydes react with Schiff reagent to form a colored product.
	Prussian Blue Reaction - The reaction of potassium ferrocyanide with ferric iron to yield a dark blue precipitate at the sites of the ferric iron. Used to determine ferric iron in tissues, particularly in the diagnosis of disorders of iron metabolism.

Histocytochemistry Medical Definitions and Terms

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