eosin


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Related to eosin: Eosin Y

eosin

 [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.

e·o·sin

(ē'ō-sin),
A derivative of fluorescein used as a fluorescent acid dye for cytoplasmic stains and counterstains in histology and in Romanowsky-type blood stains.
[G. ēōs, dawn]

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

(ē′ə-sən)
n.
1. A yellowish-red crystalline powder, C20H8 Br4O5, used in textile dyeing and ink manufacturing, as a biological stain, and in coloring gasoline.
2. Any of a group of red fluorescent bromine derivatives of fluorescein, or their sodium or potassium salts, used in ink manufacturing, textile dyeing, and in biology to stain cells.

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.

e·o·sin

(ē'ō-sin)
A fluorescent acid dye used for cytoplasmic stains and counterstains in histology and in Romanowsky-type blood stains.
[G. ēōs, dawn]

eosin

A red dye commonly used to stain bacteria or tissue slices, for microscopic examination.

eosin

a rose-pink fluorescent dye, the soluble potassium salt being used in microscopic staining.

eosin

acid dyes used in histological preparations

e·o·sin

(ē'ō-sin)
Fluorescent acid dye used for cytoplasmic stains and counterstains in histology.
[G. ēōs, dawn]

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.
References in periodicals archive ?
The schwannoma is composed of bland spindle cells and is diffusely positive for S-100 protein (hematoxylin and eosin, original magnification x10).
Citrobacter braakii: A Major Cause of False-Positive Results on MacConkey and Levine's Eosin Methylene Blue Selective Agars Used for the Isolation of Escherichia coli from Fresh Vegetable Samples.
Terbutaline and tetracycline react with eosin Y through an ion-pair salt formation forming a reddish orange complex in acidic medium with max at 545 (Fig.
The eosin nigrosin exclusion and the hyposmotic swelling test were combined to a form a single test (HOS-EN test) to identify four types of spermatozoa according to membrane integrity and function.
The Eosin stain or the Eosinnigrosin stain may be used to make this determination.
Routine hematoxylin and eosin stained sections were examined.