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> New wright's stain - 50 ml -
New wright's stain - 50 ml -
Wright's stain is a histologic stain that facilitates the differentiation of blood cell types. It is used primarily to stain peripheral blood smears and bone marrow aspirates which are examined under a light microscope. In cytogenetics it is used to stain chromosomes to facilitate diagnosis of syndromes and diseases.
It is named for James Homer Wright, who devised the stain, a modification of the Romanowsky stain, in 1902. Because it distinguishes easily between blood cells, it became widely used for performing differential white blood cell counts, which are routinely ordered when infections are expected.
There are related stains known as the buffered Wright stain, the Wright-Giemsa stain, and the buffered Wright-Giemsa stain, and specific instructions depend on the solutions being used, which may include Eosin Y, Azure B, and Methylene Blue (some commercial preparations combine solutions to simplify staining). The May-Gr nwald stain, which produces a more intense coloration, also takes a longer time to perform.
Excellent stain and one that is difficult to make up.
