eosin

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.

Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

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]

Farlex Partner Medical Dictionary © Farlex 2012

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.

The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

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]

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

eosin

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

Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

eosin

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

Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

e·o·sin

(ē'ō-sin)

Fluorescent acid dye used for cytoplasmic stains and counterstains in histology.

[G. ēōs, dawn]

Medical Dictionary for the Dental Professions © Farlex 2012