NCIt definition : A species of anaerobic, Gram positive, rod shaped bacteria assigned to the phylum
Actinobacteria. This bacteria is catalase negative, not beta hemolytic and does not
hydrolyze esculin. A. meyerii is a causative agent of actinomycosis.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Actinomyces meyerii.;