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 ?
Percentages of cell devision cycle 25 mRNA-positive cells in the basilar part and midportion of crypt of lieberkuhn and middle and basilar portion of villi of small intestine in adult chickens Basilar part and midportion of crypt of lieberkuhn Haematoxylin and n Result of ISHH (1) eosin staining Percentage (%) 1 297 324 91.
sperm that are alive and stained with Eosin will appear red.
All non-SLNs obtained from the axillary dissection were recut at the 30-, 60-, and 90-[micro] levels and stained with hematoxylin and eosin.
Eosin, a topical chemotherapeutic agent, is used frequently on severely burned patients, in baths with an aqueous solution of eosin (20 g/L) up to 6 times/day for disinfection of skin and wounds.
Seminiferious tubules are seen at the right inferior of the figure (hematoxylin and eosin stain 4x).
We are currently in the process of conducting a clinical study that compares diagnoses made from glass hematoxylin and eosin (H&E) slides to diagnoses made from corresponding digital H&E slides, which we expect will be the basis for an FDA clearance for the manual read of digital breast-cancer H&E slides.
However, tissue samples taken at the time of the retreatment showed no evidence of viable tumor with hematoxylin, eosin, or NADH viability stains.
Abnormal tissues found at postmortem examination were fixed in 10% formalin, embedded in paraffin, and sectioned and routinely stained with hematoxylin and eosin.
Hematoxylin and eosin staining of tissue identified broad, ribbon-like aseptate hyphae (figure 1).
They appeared round to oval, amphophilic, and hyaline in sections stained with hematoxylin and eosin, and magenta with Feulgen stain.
An excisional biopsy was performed, the tissue was processed, and the hematoxylin and eosin slides were evaluated.