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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).
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 and unfixed, outside the body, supravital stains are temporary in nature. [1] [2]
While in supravital staining the living cells take up the stain, in "vital staining" – the most accepted but apparently paradoxical meaning of this term, the living cells exclude the stain i.e. stain negatively and only the dead cells stain positively and thus viability can be assessed by counting the percentage of total cells that stain ...
Porcupines are known for their sharp quills which one dog appears to have encountered first hand. A 2-year-old stray is recovering after being found with more than 350 quills embedded in her face ...
Luxating patella in dogs causes a very classic limp that all vets recognize. Dogs with a luxating patella will be using their limb normally, then they’ll start hopping, holding the problematic ...
The dog then causes further trauma to the skin by itching and rubbing at the area, leading to a secondary bacterial infection." Acute moist dermatitis: Symptoms A patch of moist, inflamed skin ...
They appear as dense, blue-purple granules within the red blood cell and there are usually only one or two, located in the cell periphery. They stain on a Romanowsky stain because clumps of ribosomes are co‐precipitated with the iron‐containing organelles. A cell containing Pappenheimer bodies is a siderocyte.
Frostbite in dogs is a serious condition. It occurs when the skin and underlying tissues are exposed to freezing or extremely cold temperatures for a prolonged period of time.