Also found in: Dictionary, Thesaurus, Encyclopedia.
formerly Corynebacterium pyogenes; found in human sources.
a genus of non-acid-fast, gram-positive organisms that form a mycelium of branching filaments that fragment into irregular-sized fragments.
the cause of actinomycosis of cattle and sheep.
Actinomyces congolensis, Actinomyces dermatonomus
a cause of abscesses, pleuritis and systemic infections in dogs where it is often associated with penetration by grass awns (foxtails) of Hordeum spp.
an uncommon cause of actinomycosis in cattle and pigs.
now called Arcanobacterium pyogenes.
the cause of actinomycosis of the swine mammary gland.
the cause of periodontal disease in hamsters, and opportunistic infections of dogs.