ID#: 6511
Description: Caption:
This photomicrograph of a immunofluorescent antibody (FA)-stained specimen, revealed a positive result for the presence of gonorrhea. In a direct fluorescent antibody test, antibodies that have been chemically linked to a fluorescent dye, i.e. the marker, are added to a specimen suspected of containing a pathogen, in this case Neisseria gonorrhoeae bacteria. If indeed the pathogen is present, the antibodies will link unto the antigen to which they are sensitive, in this case, to the N. gonorrhoeae bacterial cell wall, and under fluorescent microscopy, will fluoresce, emitting a green glowing light.
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Content Providers(s): CDC
Creation Date: 1971
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.