eosin /eo·sin/ (e´o-sin) any of a class of rose-colored stains or dyes, all being bromine derivatives of fluorescein; eosin Y, the sodium salt of tetrabromofluorescein, is much used in histologic and laboratory procedures.
eosin
eosin (e´osin),
e·o·sin (   -sn)n. Any of a class of red acid dyes of the xanthene group used as cytoplasmic stains and as counterstains, especially the sodium and potassium salts of certain of these dyes. |
eosin
[ē′əsin]
a group of red acidic xanthine dyes often used in combination with a blue-purple basic dye such as hematoxylin to stain tissue slides in the laboratory.
eosin (e´osin),
n one of a pair of dyes used to color tissue samples to augment visibility under a microscope. The dyes are rose-colored, causing the cytoplasm to appear pink.
eosin
any of a class of rose-colored stains or dyes, all being bromine derivatives of fluorescein; eosin Y, the sodium salt of tetrabromofluorescein, is much used in histological and laboratory procedures. See also hematoxylin and eosin stain.
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