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acid-fast
(redirected from Acid-fast organism)

   Also found in: Medical, Wikipedia 0.01 sec.
acĀ·id-fast (sd-fst)
adj.
Not decolorized by acid after staining, as bacteria that retain dye after an acid rinse.

acid-fastness n.

acid-fast
adj
(Life Sciences & Allied Applications / Microbiology) (of bacteria and tissues) resistant to decolorization by mineral acids after staining
ThesaurusLegend:  Synonyms Related Words Antonyms
Adj.1.acid-fast - not easily decolorized by acid solutions; pertains to micro-organisms (especially the tubercle bacillus that causes tuberculosis)
imperviable, impervious - not admitting of passage or capable of being affected; "a material impervious to water"; "someone impervious to argument"


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12) Histologic preparation may reveal acid-fast organisms or simply caseating granulomas without identification of M tuberculosis bacteria, although granulomas can also represent a reaction to the prosthesis.
We believe that the identified acid-fast organism named "M.
The advantage of using biopsy specimens over blood cultures is that the biopsy may show acid-fast organisms or granulomas weeks before blood cultures are found to be positive.
 
 
 
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