Acid-fastness is a physical property of certain bacteria (and, less commonly, protozoa), specifically their resistance to decolorization by acids during staining procedures. Acid-fast organisms are difficult to characterize using standard microbiological techniques (e.g. Gram stain - if an acid-fast bacillus (AFB) was gram stained, the result woul...
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http://en.wikipedia.org/wiki/Acid-fast
<microbiology> A term used to denote bacteria that are not decolorised by acid-alcohol after having been stained with dyes such as basic fuchsin. ... The presence of acid fast organisms can be found in cultures that contain mycobacteria or some of the nocardiae. ... (12 Jul 2000) ...
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http://www.encyclo.co.uk/local/20973
(as´id-fast) not readily decolorized by acids after staining; said of bacteria, especially Mycobacterium tuberculosis.
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http://www.encyclo.co.uk/local/21001
Type: Term Pronunciation: as′id-fast Definitions: 1. Denoting bacteria that are not decolorized by acid-alcohol after having been stained with dyes such as basic fuchsin; the mycobacteria and nocardiae.
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http://www.medilexicon.com/medicaldictionary.php?t=685
[
adj] - (histology) not easily decolorized by acid solutions
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http://www.webdictionary.co.uk/definition.php?query=acid-fast
adjective not easily decolorized by acid solutions; pertains to micro-organisms (especially the tubercle bacillus that causes tuberculosis)
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https://www.encyclo.co.uk/local/20974
resistant to decolorizing by acidified alcohol after staining.
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https://www.infoplease.com/dictionary/acid-fast
No exact match found.
