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Evans blue

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Evans blue
n.
A diazo dye used to determine blood volume on the basis of the dilution of a standard solution of the dye in the plasma after its intravenous injection; it is also used as a vital stain for following diffusion through blood vessel walls.
Evans blue
Etymology: Herbert Evans, American anatomist, 1882-1971
a nontoxic blue-green dye used to determine blood and plasma volumes.
Evans blue [ev´anz]
an odorless green, bluish green, or brown powder dye, used as a diagnostic acid in estimation of blood volume. The dye is injected into the bloodstream and after a sufficient period of time samples of the blood are taken to determine the degree of dilution of the dye.
Evans blue,
n.pr a diazo dye used for the determination of the blood volume on the basis of the dilution of a standard solution of the dye in the plasma after its intravenous injection.
Evans blue
an odorless green, bluish green, or brown powder dye, used as a diagnostic aid in estimation of blood volume. The dye is injected into the bloodstream and after a sufficient period of time samples of the blood are taken to determine the degree of dilution of the dye. Called also azovan blue.
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Thirty minutes after the saline or Microcyn application, allergen (antigen) dissolved in Evans blue was intravenously injected and PCA reaction was monitored by Evans blue extravasation to the ear tissue.
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