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  1. Balantidium coli has two developmental stages, a trophozoite stage and a cyst stage. In trophozoites, the two nuclei are visible. In trophozoites, the two nuclei are visible. The macronucleus is long and sausage-shaped, and the spherical micronucleus is nested next to it, often hidden by the macronucleus.

  2. When traveling to endemic tropical countries, Balantidium coli infection can be prevented by following good hygiene practices. Wash all fruits and vegetables with clean water when preparing or eating them, even if they have a removable skin. Images: Left: Balantidium coli cyst. Right: B. coli trophozoite in a wet mount of feces. (Credit: DPDx)

  3. Balantidium coli is passed intermittently and once outside the colon is rapidly destroyed. Thus stool specimens should be collected repeatedly, and immediately examined or preserved to enhance detection of the parasite; concentration via sedimentation or flotation can increase the probability of recovery.

  4. Study with Quizlet and memorize flashcards containing terms like Which of the following is an accidental parasite of humans? A. Ascaris Lumbricoides B. Acanthamoeba C. Balantidium coli D. Entamoeba histolytica E. Plasmodium, Which of the following organisms can colonize the nasal cavity and enter the brain to cause meningoencephalitis?

  5. Balantidium coli This ciliate is considered the largest intestinal protozoan to parasitize humans. The large-kidney shaped macronucleus and cytostome aid in the identification of this trophozoite, which is ___ in trichrome stain.

  6. › wiki › BlastocystisBlastocystis - Wikipedia

    Cyst form. The Blastocystis cyst form is a more recent discovery and has helped in the advancement of understanding the way the infection is transmitted. As compared to the other forms, it is generally smaller in size and has a thick multilayered cyst wall.

  7. E. coli O157 and non-O157 Shiga Toxin Producing E. coli (STEC) – Confirmation and Speciation — see Enteric – Bacteria – Confirmatory Testing Eastern Equine Encephalitis – Serology Ebola — see Viral Haemorrhagic Fever including Ebola Virus Disease Echinococcosis – Serology Echinococcus – Cyst Echovirus — see Enterovirus

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