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Darkfield |
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Darkfield A technique of microscope examination in which light is directed at an oblique angle through the slide so that organisms look bright against a dark background. Mentioned in: Syphilis How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The morphology of these cells was confirmed under a darkfield microscope. The 8 birds were monitored for spirochetemia for 7 days postinoculation by intravenous collection of blood from the wing's brachial vein and darkfield microscopic examination (x400) of the wet, unstained blood. No matter what stage of syphilis is being treated and whether there is other laboratory evidence to establish the diagnosis (ie, treponemes seen on darkfield microscopy), a nontreponemal test should always be performed before initiating treatment when possible, as nontreponemal titers correlate with disease activity and provide an objective measure for monitoring response to therapy. |
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