Balantidium coli is a cosmopolitan parasitic-opportunistic pathogen that can be Balantidium has a simple life cycle, as follows: dormant cyst to trophozoite and. Balantidium coli life cycle. Infection occurs when a host ingests a cyst, which usually happens during the consumption of contaminated. Download/Embed scientific diagram | Life cycle of Balantidium coli. from publication: 4. Parasitic Protozoa | Keywords:Protozoa and Parasites | ResearchGate.

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If the drug is not available, then iodoquinol and metronidazole can be used. Balantidium Coli Balantidium coli is the largest protozoan parasite in humans and causes a disease called balantidiasis. People who raise pigs have bigger risk of getting infected with balantidiasis. Paragonimus Westermani – Lung Fluke. March 17, Content source: Their shape is either spherical or oblong.

By using this site, you agree to the Terms of Use and Privacy Policy. Converting file to superior PNG file. In addition to humans, pigs and other animals carry the disease.

Cysts are the parasite stage responsible for transmission of balantidiasis.

The tough cyst wall allows the cyst to resist degradation in the acidic environment of the stomach and the basic environment of the if intestine until it reaches the large intestine. Ascaris Lumbricoides – Giant Roundworm. Retrieved from ” https: Mesodiniea MesodiniumMyrionecta.


From Wikipedia, the free encyclopedia. Wuchereria Bancrofti – Lymphatic Filariasis – Elephantiasis. Some trophozoites invade the wall of the colon and multiply. Balantidium coli has two developmental stages, a trophozoite stage and a cyst stage. Excystation produces a trophozoite from the cyst stage. The host most often acquires the cyst through ingestion of contaminated food or water.

Also check out the videos. Cysts are smaller than trophozoites and are round and have a tough, heavy cyst wall made of one or two layers. In trophozoites, the two nuclei are visible.

Diagnosis can be made by finding trophozoites from a stool or tissue sample collected during endoscopy.

File:Balantidium LifeCycle.png

There, excystation takes place. Trophozoites have both a micronucleus and a macronucleus, which both are normally visible. Most infections occur in developing countries where feces are more likely to get in contact with food and drinking water.

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Balantidium coli has 2 developmental stages: Trichuris Trichiura – Whipworm. Fasciolopsis Buski – Intestinal Fluke. They are usually destroyed at a pH lower than five normal pH of a healthy stomach is about three.


Mature cysts are passed with feces. Dermatobia hominis – Human Botfly. Views Read Edit View history. Global Health — Division of Parasitic Diseases. Use dmy dates from June Articles with ‘species’ microformats. The cyst is the infective stage of Balantium coli life cycle. Gemmocystidae Gemmocystis Rhytidocystidae Rhytidocystis. The following other wikis use this file: Trophozoites are passed irregularly and quickly destroyed outside the colon.

Only drink pure water. Infective Balantidium coli cysts are killed by heat.

Balantidium Coli

The motile trophozoite then resides in the lumen of the large intestine, feeding on intestinal bacterial flora and intestinal nutrients. See Morphology and Transmission for further descriptions of the stages. Following ingestion, excystation occurs in the small intestin.

In other projects Wikimedia Commons Wikispecies. Balantidium coli is a parasitic species of ciliate alveolates that causes the disease balantidiasis.

Trypanosoma Brucei – Sleeping Sickness. It can thrive in the gastrointestinal tract as long as there is a balance between the protozoan and the host without causing dysenteric symptoms.