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Medical Definition of Actinobacillus actinomycetemcomitans
1. A species of gram-negative, facultatively anaerobic spherical or rod-shaped bacteria that associates with species of actinomyces in actinomycotic lesions. (12 Dec 1998)
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1. A species of gram-negative, facultatively anaerobic spherical or rod-shaped bacteria that associates with species of actinomyces in actinomycotic lesions. (12 Dec 1998)