ID#: 2801
Caption:
Under a magnification of 125X, this photomicrograph of a fluorescent acid-fast stained (Smithwick) sputum smear sample revealed the presence of Mycobacterium tuberculosis bacteria. M. tuberculosis is an acid-fast bacterium (AFB), and is therefore, undetectable when stained using a Gram stain technique. However, using this method, the M. tuberculosis bacteria glow yellow under ultraviolet light microscopy.
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Content Provider(s): CDC/ Ronald W. Smithwick
Creation Date: 1971
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