staining

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Related to Biological stains: Vital staining, fluorescent stain

staining

 [stān´ing]
artificial coloration of a substance to facilitate examination of tissues, microorganisms, or other cells under the microscope. For various techniques, see under stain.
relief staining a method of staining that colors the background and leaves the cells uncolored.

stain·ing

(stān'ing),
1. The act of applying a stain.
See also: stain.
2. In dentistry, modification of the color of the tooth or denture base.

staining

/stain·ing/ (stān´ing)
1. artificial coloration of a substance to facilitate examination of tissues, microorganisms, or other cells under the microscope. For various techniques, see under stain.
2. in dentistry, the modification of the color of a tooth or denture base.

stain·ing

(stān'ing)
1. The act of applying a stain.
See also: stain
2. dentistry Modification of the color of the tooth or denture base.

staining

The use of selected dyes to colour biological specimens such as cells, cell products, thin slices of tissues or microorganisms to assist in examination and identification under the microscope. See also GRAM NEGATIVE, GRAM POSITIVE.

stain·ing

(stān'ing)
1. In dentistry, modification of the color of the tooth or denture base.
2. Act of applying a stain.
See also: stain

staining,

n 1. a modification of the color of the teeth or denture base to achieve a more lifelike appearance.
2. amount of stain present on the teeth, either extrinsic or intrinsic in origin. See also stain.

staining

1. artificial coloration of a substance to facilitate examination of tissues, microorganisms or other cells under the microscope. For various techniques, see under stain.
2. marring the appearance.

chromosomal staining
blood is collected in a highly aseptic manner and placed in tissue culture medium containing a stimulant to cell division. The leukocytes are collected, killed with a cytotoxic agent, enlarged by osmosis in a hypotonic liquid, placed on slides, fixed and stained.
negative staining
a procedure visualizing specimens by either light or electron microscopy. In light microscopy, India ink which blocks the transmission of light is used as a negative stain to detect bacterial capsules. In electron microscopy, electron-dense salts such as sodium phosphotungstate are used in the examination of particles particularly viruses.
Enlarge picture
Negatively stained virus particles of infectious bursal disease virus. By permission from Fenner F, Gibbs EPJ, Horzinek MC, Studdert MJ, Murphy FA, Veterinary Virology, Academic Press, 1999
radiograph staining
may be yellow or brown stains due to inadequate rinsing, or doubly refracting exhibiting different colors depending on angle of viewing.
References in periodicals archive ?
used their proprietary EMP protocols to analyze all of the medical-purpose dyes that are used to make biological stains that are routinely certified each year for medical and research use by the Biological Stain Commission.
These tests, which take between several seconds and several minutes, can qualify biological stains needed for diagnosis in pathology laboratories.
The hyperspectral imaging platforms are being offered to forensic scientists for the applications of questioned documents, biological stains, fingerprints and gunshot residue.
has focused on the current purity of available biological stains.

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