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acid-fast
(redirected from Acid-fast organism)

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
acid-fast (as“id-fast) not readily decolorized by acids after staining.
acid-fast
adj.
Of or relating to bacteria that are not decolorized by an acidic alcohol solution after they have been stained.

acid-fastness n.

acid-fast [as´id-fast]
not readily decolorized by acids after staining; said of bacteria, especially Mycobacterium tuberculosis.

acid-fast
1. not readily decolorized by acids after staining; said of bacteria, especially Mycobacterium spp.
2. stain demonstrating this characteristic. See also Ziehl-Neelsen stain.

modified acid-fast bacteria
resist decolorization by mild acid solutions; includes Brucella and Nocardia.


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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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