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Thus a supravital stain may have a greater toxicity, as only a few cells need to survive it a short while. The term "vital stain" is used by some authors to refer specifically to an intravital stain, and by others interchangeably with a supravital stain, the core concept being that the cell being examined is still alive. As the cells are alive ...
A Ziehl–Neelsen stain is an acid-fast stain used to stain species of Mycobacterium tuberculosis that do not stain with the standard laboratory staining procedures such as Gram staining. This stain is performed through the use of both red coloured carbol fuchsin that stains the bacteria and a counter stain such as methylene blue .
In supravital staining, living cells have been removed from an organism, whereas intravital staining is done by injecting or otherwise introducing the stain into the body. The term vital stain is used by some authors to refer to an intravital stain, and by others interchangeably with a supravital stain , the core concept being that the cell ...
Brilliant cresyl blue is a supravital stain used for counting reticulocytes. [2] It is classified as an oxazine dye. N95 dust masks, eye shields, and gloves must all be worn when handling the chemical. [3]
Heinz body stain of feline blood, showing three distinct Heinz bodies. Heinz bodies appear as small round inclusions within the red cell body, though they are not visible when stained with Romanowsky dyes. They are visualized more clearly with supravital staining [5] [6] (e.g., with new methylene blue, crystal violet or bromocresol green).
It is a supravital stain. [2] It is closely related to methylene blue, an older stain in wide use. Safety. New methylene blue is toxic. Skin contact or inhalation ...
The stain is an important histochemical stain used to demonstrate the distribution and amount of iron deposits in liver tissue, often in the form of a biopsy. [ 6 ] [ 7 ] Perls's procedure may be used to identify excess iron deposits such as hemosiderin deposits ( hemosiderosis ) and in conditions such as hereditary hemochromatosis . [ 8 ]
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