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ID#:10802
Description:Magnified 1125X, this mehenamine silver-stained photomicrograph revealed some of the ultrastructural details associated with a specimen of thawed pus extracted from the jaw bone of a wild Dall sheep, Ovis dalli with a suspected case of actinomycosis. See PHIL 10804 for a gross pathologic view of the mandible from which this specimen was derived.
Actinomycosis is a chronic, i.e., long-standing disease, characterized by an infection, which usually traverses tissue planes, and is accompanied by the formation of sinuses that can cyclically heal, and again become reinfected. Curative methods include a long six to twelve-month antimicrobial regimen. Infection often begins with a disruption of a mucosal membrane’s patency, followed by a subsequent invasion of a commensal Actinomyces sp. bacteria, and usually takes place in the case of an immunocompromised individual. Though this case involved a sheep, human beings can contract this infection as well.
High Resolution: Click here for hi-resolution image (6.55 MB)
Content Providers(s):CDC/ Dr. Lucille Georg
Creation Date:1972
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.

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