. "lightgrey"@en . . . . . "Actinomyces"@en . "Actinomyces (from Greek \"actis\" ray, beam and \"mykes\", fungus) is a genus of the actinobacteria class of bacteria. They are all gram-positive. Actinomyces are facultatively anaerobic (except A. meyeri, a strict anaerobe). All species grow best under anaerobic conditions. Actinomyces species may form endospores, and, while individual bacteria are rod-shaped, Actinomyces colonies form fungus-like branched networks of hyphae."@en . . .