BALANTIDIUM COLI. Pedro Ricardo Díaz Cruz. Balantidiasis. Balantidiasis. Morfologia. Morfologia. µm. 1. 2. µm. 3. 1. 2. 3. 4. 5. Citostoma. 7. Caracteres distintivos entre la Ent. histolítica y la Ent, coli. Cristales de . Embadomonas intestinalis, – Morfología. — Cultivo. Bodonideos. . Balantidium coli. Balantidium coli. Transmissão Fezes suínas. Alimentos; Água; Mãos. Ciclo biológico. Forma Assexuada Ingestão do cisto. No intestino delgado.

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Cysts are the parasite stage responsible for transmission of balantidiasis. The host most often acquires the cyst through ingestion of contaminated food or water.

Balantidium coli by Maiara Badia on Prezi

Following ingestion, excystation occurs in the small intestine, and the trophozoites colonize the large intestine. The trophozoites reside in the lumen of the large intestine of humans and animals, where they replicate by binary fission, during which conjugation may occur. Trophozoites undergo encystation to produce infective cysts. Some trophozoites invade the wall of the colon and multiply.


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Some return to the lumen and disintegrate. Mature cysts are passed with feces.

Because pigs are an animal reservoir, human infections occur more frequently in areas where pigs are raised. Other potential animal reservoirs include rodents and nonhuman primates. Most cases are asymptomatic. Clinical manifestations, when present, include persistent diarrhea, occasionally dysentery, abdominal pain, and weight loss. Symptoms can be severe in debilitated persons. Note the visible cilia on the cell surface.

Image contributed by the Oregon Public Health Laboratory. Note the cytosome black arrow and the bean shaped macronucleus. Diagnosis is based on detection of trophozoites in stool specimens or in tissue collected during endoscopy. Cysts are less frequently encountered.

Balantidium coli

Balantidium coli is passed intermittently and once outside the colon is rapidly destroyed. Thus stool specimens coil be collected repeatedly, and immediately examined or preserved to enhance detection of the parasite.

Morphologic comparison with other intestinal parasites. DPDx is an education resource designed for health professionals and laboratory scientists. For an overview including prevention and control visit www.

Skip directly to search Skip directly to A to Z list Skip directly to navigation Skip directly to page options Skip directly to site content. Enter Email Address What’s this? Recommend on Facebook Tweet Share Compartir. Life Cycle Cysts are morfologoa parasite stage responsible for transmission of balantidiasis.


Balantidium coli – Wikipédia, a enciclopédia livre

Image Gallery Balantidium coli cysts in wet mounts. Both Balantidium coli trophozoites and cysts are found in stool. Trophozoites are characterized by: Laboratory Diagnosis Laboratory Diagnosis Diagnosis is based on detection of trophozoites in stool specimens or in tissue collected during endoscopy.

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