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10 Cards in this Set
- Front
- Back
Acid-fast stain
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differential stain
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Myobacterium and Nocardia both contain what type of species?
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Pathogenic (disease causing)
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Mycolic Acid
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the cell walls contain this waxlike lipid, which renders the cell wall impermeable to most stains.
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Ziehl-Neelsen procedure
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smear is flooded with carbolfuchsin (dark red dye containing 5% phenol), which has a high affinity for a chemical component of the bacterial cell.
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Kinyoun modification
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cold stain, the concentrations of phenol and carbolfushin are increased so heating is not necessary.
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What can the acid fast stain be used diagnose?
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tuberculosis and leprosy, the latter is cause by Mycobacterium leprae.
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Acid Fast stain
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Red
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Non-Acid-Fast Stain
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Blue
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Mycobacterium phlei
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Red
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Escherichia Coli
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Blue
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