| / English Dictionary |
STAINING
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
(histology) the use of a dye to color specimens for microscopic study
Classified under:
Nouns denoting acts or actions
Hypernyms ("staining" is a kind of...):
dyeing (the use of dye to change the color of something permanently)
Domain category:
histology (the branch of biology that studies the microscopic structure of animal or plant tissues)
Hyponyms (each of the following is a kind of "staining"):
Gram's method; Gram's procedure; Gram's stain; Gram method; Gram stain (a staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram's solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the gentian violet are Gram-positive and those that do not retain it are Gram-negative)
Derivation:
stain (color for microscopic study)
Sense 2
Meaning:
The act of spotting or staining something
Synonyms:
maculation; spotting; staining
Classified under:
Nouns denoting acts or actions
Hypernyms ("staining" is a kind of...):
dirtying; soiling; soilure (the act of soiling something)
II. (verb)
Sense 1
-ing form of the verb stain
Context examples:
A measurement of the cells containing Pappenheimer Bodies (violet or blue staining ferritin granules usually found along the periphery of the red blood cells) in a biological specimen.
(Pappenheimer Body Count, NCI Thesaurus/CDISC)
Staining of bands, or chromosome segments, allowing the precise identification of individual chromosomes or parts of chromosomes.
(Chromosome Banding, NLM, Medical Subject Headings)
A human nuclear matrix protein with demonstrated immunohistochemical staining differences between benign and malignant prostate tissue.
(Nucleophosmin, NCI Thesaurus)
An immunophenotypic test result indicating positive staining of neoplastic cells for neuron-specific enolase.
(Neuron-Specific Enolase Positive Neoplastic Cells Present, NCI Thesaurus)
A microscopy staining method, that does not utilize heat in the slide preparation, used to examine a specimen for the presence of acid-fast microorganisms, specifically nocardia.
(Modified Acid Fast Staining Method, NCI Thesaurus)
Methyl green is a cation, which binds rather specifically to DNA and thus serves as a convenient means of staining nuclei in both fixed material and living cells.
(Methyl Green Pyronine Staining Method, NCI Thesaurus)
Heritable sensitive regions of chromosomes which show up in vitro as non-staining bands.
(Chromosome Fragile Site, NCI Thesaurus)
Any spherical shaped bacteria that does not require oxygen to grow or respirate and has a peptidoglycan rich cell wall that stains dark purple with the Gram staining technique.
(Anaerobic Gram Positive Coccus, NCI Thesaurus)
A microscopy acid fast staining method that utilizes auramine O, a bright yellow ketonimine dye, which binds to the mycolic acid in the cell walls of acid fast microorganisms.
(Auramine Staining Method, NCI Thesaurus)
Any rod shaped bacteria with an oxygen based metabolism and has a peptidoglycan rich cell wall that stains dark purple with the Gram staining technique.
(Aerobic Gram Positive Bacillus, NCI Thesaurus)
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