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Description:Magnified 400X, four times greater than PHIL 10921, this photomicrograph revealed some of the cytoarchitectural morphology associated with a number of mycetoma granules, which were found to be present in this human tissue sample of unknown origin.
The infection of this tissue sample by an unknown fungal pathogen, and the chronic granulomatous response to the invading organism, is evident, characterized by the formation of these sclerotia, or granules, which are “walled off” by fibrous encapsulations. Mycetoma can be caused by both dematiaceous or non-dematiaceous fungi, and therefore, the granules depicted here can be non-pigmented or pigmented depending on the pathogen, which helps to identify the causal agent.
High Resolution: Click here for hi-resolution image (4.72 MB)
Content Providers(s):CDC/ Dr. Libero Ajello
Creation Date:1973
Photo Credit:
CDC Organization
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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.