Actinomyces



any of several saprophytic, filamentous, anaerobic bacteria of the genus Actinomyces, certain species of which are pathogenic for humans and animals.
Historical Examples

When this was pulled away the pus beneath it showed the actinomyces grains to the naked eye.
Special Report on Diseases of Cattle U.S. Department of Agriculture

Bollinger determined that the actinomyces bovis (Streptothrix bovis) is the cause of actinomycosis in cattle in 1877.
The Fundamentals of Bacteriology Charles Bradfield Morrey

These latter areas were the seat of multiplication of the actinomyces fungus.
Special Report on Diseases of Cattle U.S. Department of Agriculture

The actinomyces gain access to the bone through a carious tooth or through the gum.
Manual of Surgery Volume Second: Extremities–Head–Neck. Sixth Edition. Alexander Miles

This organism, also called Streptothrix actinomyces, apparently stands midway between the bacteria and the molds.
A Manual of Clinical Diagnosis James Campbell Todd

The danger therefore of the presence of actinomyces for healthy animals is a limited one.
Special Report on Diseases of Cattle U.S. Department of Agriculture

The diagnosis does not offer any difficulties, since the presence of the actinomyces fungus at once removes any existing doubts.
Special Report on Diseases of Cattle U.S. Department of Agriculture

The actinomyces grains are, however, easily observed if the diseased tissue is carefully examined.
Special Report on Diseases of Cattle U.S. Department of Agriculture

The tumors and abscesses wherever they may be are all found to be the same in origin by the presence of the actinomyces fungus.
Special Report on Diseases of Cattle U.S. Department of Agriculture

Actinomyces Ac·ti·no·my·ces (āk’tə-nō-mī’sēz’)
n.
A genus of nonmotile, non-spore-producing, anaerobic to facultatively anaerobic bacteria pathogenic to humans.

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  • Actinomyces bovis

    actinomyces bovis Actinomyces bovis Actinomyces bo·vis (bō’vĭs) n. A species of Actinomyces causing actinomycosis in cattle.

  • Actinomyces israelii

    actinomyces israelii Actinomyces israelii Actinomyces is·ra·e·li·i (ĭz’rā-ē’lē-ī) n. A species of Actinomyces causing human actinomycosis.



  • Actinomycetaceae

    actinomycetaceae Actinomycetaceae Ac·ti·no·my·ce·ta·ce·ae (āk’tə-nō-mī’sĭ-tā’sē-ē’) n. A family of non-spore-producing, nonmotile, mostly facultatively anaerobic bacteria containing gram-positive, non-acid-fast, predominantly diphtheroid cells that tend to form branched filaments.

  • Actinomycetales

    actinomycetales Actinomycetales Ac·ti·no·my·ce·ta·les (āk’tə-nō-mī’sĭ-tā’lēz) n. An order of bacteria consisting of moldlike, rod-shaped, clubbed or filamentous forms that tend to form branching filaments.



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