dark-field illumination

(redirected from dark-ground illumination)
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dark-field illumination

n
(General Physics) illumination of the field of a microscope from the side so that the specimen is viewed against a dark background
References in periodicals archive ?
Demonstration of typical motility of leptospira under dark-ground illumination in clinical samples, though helpful in early diagnosis, has low sensitivity and depends on the technician's opinion.