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atypical mycobacterium |
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atypical Mycobacterium
Etymology: Gk, a + typos, without type, mykes, fungus, bakterion, small staff a group of mycobacteria, including pathogenic and nonpathogenic forms, that are classified according to their ability to produce pigments, growth characteristics, and reactions to chemical tests. Mycobacteria, nontuberculosis (atypical) does not require isolation precautions. atypical mycobacterium Any Mycobacterium spp exclusive of M lepra, M tuberculosum, or M bovis–the latter 2 of which cause 'typical' TB; AM are so designated because they grow more rapidly, produce
no niacin, don't reduce nitrates, produce heat-stable catalase,and are usually resistant to isoniazid. See Atypical mycobacterial infection, Multidrug-resistant tuberculosis. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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