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mycobacteria |
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mycobacteria
[mī′kōbaktir′ē·ə] Etymology: Gk, mykes + bakterion, small rod acid-fast microorganisms belonging to the genus Mycobacterium. mycobacterial, adj. mycobacteria members of the genus Mycobacterium. anonymous mycobacteria see opportunist (atypical) mycobacteria (below). nontubercular mycobacteria see opportunist (atypical) mycobacteria (below). opportunist (atypical) mycobacteria saprophytic mycobacteria which may cause disease in animals. Included are M. chelonae, M. fortuitum, M. phlei, M. smegmatis. Called also anonymous and nontuberculous. See also runyon classification, opportunist mycobacterial granuloma. rapid growing mycobacteria a distinguishing characteristic used for classifying mycobacteria, based on growth rate in cultures. Rapid growth is defined as less than 7 days. This group includes the saprophytic or opportunist mycobacteria, only some of which are associated with disease. slow growing mycobacteria these mycobacteria take more than 7 days for the appearance of colonies. This group includes the tubercle bacilli, M. avium, M. bovis and M. tuberculosis, and many of the others pathogenic for animals and humans. 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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