As many of the readers noted, the beautiful morphology that we are used to seeing on Giemsa-stained preparations is not visible on Pap-stained cervical smears, thus making the identification more challenging. However, T. vaginalis is commonly identified on Pap smears and it is therefore helpful to be familiar with its morphology on this preparation. As noted by Florida Fan and Micro Michigan,
flagella are somewhat visible if you "turn your imagination up" as seen in the image below (arrows).
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