| mycobacterium fortuitum | A rapid-growing, nonphotochromogenic species that is potentially pathogenic, producing lesions of lung, bone, or soft tissue following trauma. It has been found in soil and in injection sites of humans, cattle, and cold-blooded animals. (12 Dec 1998) |
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| mycobacterium haemophilum | A species of gram-positive, aerobic bacteria that causes granulomatous or ulcerating skin lesions in immunosuppressed persons. This organism owes its name to its requirement for growth of high levels of iron, conveniently supplied as blood, haem, or ferric ammonium citrate. (12 Dec 1998) |
| mycobacterium infections | Infections with bacteria of the genus mycobacterium. (12 Dec 1998) |
| mycobacterium infections, atypical | Infections with so called atypical mycobacteria (tuberculoid bacilli): m. Kansasii (kansas), m. Marinum, m. Scrofulaceum, m. Flavescens, m. Gordonae, m. Obuense, m. Gilvum, m. Duvali, m. Szulgai, m. Intracellulare (see mycobacterium avium complex), m. Xenopi (littorale), m. Ulcerans, m. Buruli, m. Terrae, m. Fortuitum (minetti, giae), m. Chelonae. (12 Dec 1998) |
| Mycobacterium intracellulare | A species found in lung lesions and sputum of humans; may cause bone and tendon-sheath lesions in rabbits; some strains are pathogenic for mice. Recently linked to opportunistic infections in humans. Synonym: Battey bacillus. (05 Mar 2000) |
| mycobacterium kansasii | A slow-growing, photochromogenic species that is the aetiologic agent of a tuberculosis-like disease in humans and is frequently isolated from human pulmonary secretions or tubercles. The incidence of infection is sharply increased among immunocompromised individuals. (12 Dec 1998) |
| mycobacterium leprae | A species of gram-positive, aerobic bacteria that causes leprosy in man. Its organisms are generally arranged in clumps, rounded masses, or in groups of bacilli side by side. (12 Dec 1998) |
| mycobacterium lepraemurium | The aetiologic agent of rat leprosy, also known as murine leprosy. (12 Dec 1998) |
| Mycobacterium marianum | Former name for Mycobacterium scrofulaceum. (05 Mar 2000) |
| mycobacterium marinum | A moderate-growing, photochromogenic species found in aquariums, diseased fish, and swimming pools. It is the cause of cutaneous lesions and granulomas (swimming pool granuloma) in humans. (12 Dec 1998) |
| Mycobacterium microti | A species causing generalised tuberculosis in voles; transmissible to guinea pigs, rabbits, and calves, causing localised infections. (05 Mar 2000) |
| mycobacterium phlei | A saprophytic bacterium widely distributed in soil and dust and on plants. (12 Dec 1998) |
| mycobacterium scrofulaceum | A non-tuberculous mycobacterium causing cervical lymphadenitis in children. It very rarely causes pulmonary disease, and is believed to be non-pathogenic in animals. (12 Dec 1998) |
| Mycobacterium smegmatis | A saprophytic species of bacteria found in smegma from the genitalia of humans and many of the lower animals; it is also found in soil, dust, and water. (05 Mar 2000) |
| mycobacterium tuberculosis | The Gram-positive bacterium that causes tuberculosis. (09 Oct 1997) |