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Definition of Mycobacterium avium

Mycobacterium avium: A slow-growing bacterium found in the soil and in dust particles that causes tuberculosis in birds and swine and is responsible for the mycobacterium avian complex (MAC) in humans. See: Mycobacterium avian complex.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=25713
Last Editorial Review: 12/13/2003

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