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Proglottids (segments) of the parasitic tapeworm, Diphyllobothrium latum

This photomicrograph shows the appearance and ultrastructural details exhibited by a number of gravid proglottids of the parasitic tapeworm, Diphyllobothrium latum. (Photograph by Dr. Mae Melvin 1979. Source: Centers for Disease Control and Prevention Public Health Image Library. Public domain.)

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