Actinomycetaceae is a family of bacteria in the order Actinomycetales that contains the medically important genus Actinomyces. Actinomycetaceae comprises 3 potentially pathogenic genera :Actinomyces, Nocardia, Streptomyces. These organisms are closely related to the mycobacteria but were originally classified as fungi because they were thought to ...
<microbiology> A family of bacteria including numerous parasitic and pathogenic forms. ... (12 Dec 1998) ... 
Type: Term Pronunciation: ak′ti-nō-mī-sē-tā′sē-ē Definitions: 1. A family of nonsporeforming, nonmotile, ordinarily facultatively anaerobic (some species are aerobic and others are anaerobic) bacteria (order Actinomycetales) containing gram-positive, non-acid-fast, predominantly diphtheroid cells that tend ...
[n] - filamentous anaerobic bacteria
family Actinomycetaceae noun filamentous anaerobic bacteria