eosin

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e·o·sin

(ē′ə-sən)

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.

[Greek ēōs, dawn (from its color); see aus- in Indo-European roots + -in.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

eosin

(ˈiːəʊsɪn) or

eosine

1. (Elements & Compounds) Also called: bromeosin a red crystalline water-insoluble derivative of fluorescein. Its soluble salts are used as dyes. Formula: C20H8Br4O5

2. (Dyeing) any of several similar dyes

[C19: from Greek ēōs dawn + -in; referring to the colour it gives to silk]

ˌeoˈsinic adj

ˈeosin-ˌlike adj

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

e•o•sin

(ˈi ə sɪn)

also e•o•sine

(-sɪn, -ˌsin)

n.

1. a red, crystalline, water-insoluble solid, C₂₀H₈Br₄O₅, used chiefly as an acid dye for silk and as a histological stain.

2. any of a variety of similar dyes.

[1865–70; < Greek ēṓs dawn (see eo-) + -in¹]

e`o•sin′ic, adj.

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Noun

eosin - a red fluorescent dye resulting from the action of bromine on fluorescein; used in cosmetics and as a biological stain for studying cell structures

bromeosin

fluorescein, fluoresceine, fluorescent dye, resorcinolphthalein - a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed)

Translations

e·o·sin

n. eosina, sustancia insoluble usada como colorante rojo en algunos tejidos que se estudian bajo el microscopio.

English-Spanish Medical Dictionary © Farlex 2012

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References in periodicals archive ?

Rawat, from the University of Southern California in Los Angeles, and colleagues introduced a machine learning framework to identify relationships between cancer tissue morphology and hormone receptor pathway activation in breast cancer pathology samples stained with hematoxylin and eosin (H&E).

Promising New Way to Identify Breast Cancer Tumors; Technology can be used to identify the molecular markers of breast cancer tumors

Two of the parrots died, and histologic examination with hematoxylin and eosin and Prussian blue stains revealed severe hepatic iron storage.

Iron storage disease in African grey parrots (Psittacus eryithacus) exposed to a carnivorous diet

The staining methods performed for light microscopy were Hematoxylin and Eosin (HandE) in order to study the morphology and determine the frequency of five classes of Lupus Nephritis.

FREQUENCY OF BIOPSY PROVEN CLASS I-V LUPUS NEPHRITIS - A TERTIARY CARE HOSPITAL EXPERIENCE

Biopsies for hematoxylin and eosin staining and direct immunofluorescence were performed.

Make the diagnosis

For each [[theta].sub.t] tested, three hydrodynamic assays of stimulus-response were carried out in pulse type using eosin Y and bromophenol blue as tracers, with injection volume of 10 mL and injection time of 10 s.

Effect of hydraulic retention time on hydrodynamic behavior of anaerobic-aerobic fixed bed reactor treating cattle slaughterhouse effluent/Efeito do tempo de retencao hidraulica no comportamento hidrodinamico de um reator anaerobio-aerobio tratando efluente de abatedouro bovino

The cells are uniformly round to oval with stippled chromatin and relatively abundant eosinophilic cytoplasm, consistent with a neuroendocrine adenoma (hematoxylin and eosin, original magnification x20).

Management of benign middle ear tumors: A series of 7 cases

Portions of liver were fixed in 10% neutral buffered formalin, embedded in paraffin, sectioned for light microscopy, and stained with hematoxylin and eosin, Ziehl-Neelsen acid fast, and the periodic acid-Schiff (PAS) stain.

Protozoal hepatitis in a western burrowing owl (Athene cunicularia hypugaea)

Fixation with assayed fixative solutions is followed by Hemotoxylin & Eosin, Masson's trichrome staining and anti-Tubulin immuno-labeling.

A Comparative Study of Fixatives for Axolotl Blastema Tissue/Estudio Comparativo de Fijadores para el Tejido Blastema del Axolotl

Histopathological evaluation of the gastrointestinal tract revealed loss of parietal cells, mild glandular disarray, acute inflammation, and apoptotic activity in the stomach (Figure 3, hematoxylin and eosin, original magnification 200x) and patchy villous atrophy and absence of goblet cells and Paneth cells in the duodenum with crypt abscesses and apoptosis (Figure 3, hematoxylin and eosin, original magnification 200x); and in the terminal ileum, as in the duodenum, there was also an absence of goblet and Paneth cells, with crypt dropout (Figure 3, hematoxylin and eosin, original magnification 200x).

A Mysterious DRESS Case: Autoimmune Enteropathy Associated with DRESS Syndrome

coli is a prerequisite which is often complicated in practice, due to the co-occurence of other interfering enteric bacteria such as Citrobacter, Klebsiella and Enterobacter, which also ferment lactose and exhibit similar colony morphology on Levine's Eosin Methylene Blue (EMB) agar selective for E.

Comparative evaluation of EMB agar and Hicrome E. coli agar for differentiation of green metallic sheen producing non E. coli and typical E. coli colonies from food and environmental samples

In this perspective photocatalytic efficacy of organometallic ruthenium and eosin Y have been investigated in connection to their pursuit for the photocatalytic oxidative coupling of N-aryl tetrahydroisoquinoline with carbon and sulfur containing nucleophiles.

Photocatalytic Potency of Ruthenium Polypyridyl Complex and Eosin Y for the Effective Development of C-C and C-S Bond: A Correlative Analysis

bancrofti along with inflammatory cells in fine needle aspirate of lymph node (Hematoxylin- Eosin, X40).