Normal and Abnormal Flora
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A: Normal: lactobacilli - seen as large gram-positive rods - predominate.
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B: Candidiasis: there are gram-positive spores and long pseudohyphae visible. There are polymorphs.
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C: Bacterial vaginosis: there is an overgrowth of anaerobic Gardnerella vaginalis and a decrease in the numbers of lactobacilli. A ‘clue cell’ is seen.
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D: Trichomoniasis: ‘wet mount’ of vaginal fluid with Trichomonas vaginalis infection.
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In practice, the organism is identified under the microscope by amoeboid motion and its flagella waving.
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