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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They have a tough multilayered shell which protects them against stomach acid of the host, when ingested. Recommend on Facebook Tweet Share Compartir. Chromeraceae Chromera velia Vitrellaceae Vitrella brassicaformis. The motile trophozoite then resides in the lumen of the large intestine, feeding on intestinal bacterial flora and intestinal nutrients.

Balantidium Coli

But in some cases the patient might have diarrheaweight loss and dysentery. Retrieved from ” https: Babesiidae Babesia Theileriidae Theileria. Contaminated water is the most common mechanism of transmission. Some return to lumen and disintegrate. ot

Balantidium Coli

By using this site, you agree to the Terms of Use and Privacy Policy. This file is lacking author information. Foundations of Parasitology 8th ed. From Wikimedia Commons, the free media repository. The following other wikis use this file: Taenia Saginata – Beef Tapeworm. Sarcoptes Scabiei – Scabies.


The cyst is the infective stage of Balantium coli life cycle. Untreated dysentery cases can be fatal. Balantidiasis is a zoonotic disease and is acquired by humans via balantidiim feco-oral route from the normal host, the pig, where it is asymptomatic.

File:Balantidium LifeCycle.png

Tetracycline is not recommended for pregnant women or children under 8 years old. People who raise pigs have bigger risk of getting infected with balantidiasis.

Date 14 November Source http: See Morphology and Transmission for further descriptions of the stages. Infection occurs when the cysts are ingested, usually through contaminated food or water. Wuchereria Bancrofti – Lymphatic Filariasis – Elephantiasis. Cysts in the environment are then ready to infect another host.

Balantidium coli is the largest protozoan parasite in humans and causes a disease called balantidiasis. Trophozoites are passed irregularly and quickly destroyed outside the colon. Get Email Coki To receive email updates about this page, enter your email address: Cysts are spherical and 0. Blastocystis Blastocystosis Pythium insidiosum Pythiosis.

Living trophozoites and cysts are yellowish or greenish in color. Following ingestion, excystation occurs in the small intestine, and the trophozoites colonize the large intestine. If the drug is not available, then iodoquinol and metronidazole can be used.

Life Cycle of Balantidium coli

Some trophozoites invade the wall of the colon and multiply. Balantidium coli Balantidium coli trophozoite Scientific classification Domain: Infection occurs when a host ingests a cyst, which usually happens during the consumption of contaminated water or food. Balantidiasis infections can be prevented by following proper hygiene practices.


Fasciola Hepatica – Liver Fluke. Some trophozoites invade the wall of the colon and multiply. They multiply by transverse binary fission in the intestinal wall.

Cimex Lectularius – Bedbug. The macronucleus is long and sausage-shaped, and the spherical micronucleus is nested next to it, often hidden by the macronucleus. Balantidium infection in immunocompetent individuals is not unheard of, but it rarely causes serious disease of the gastrointestinal tract.

Trophozoites multiply by asexual binary fission or sexual conjugation with the exchange of nuclear material. Mikrobiologie Usage on en. Balantidium coli has two developmental stages, a trophozoite stage and a cyst stage. They are usually destroyed at a pH lower than five normal pH of a healthy stomach is about three. Once the cyst is ingested via feces-contaminated food or water, it passes through the host digestive system.

Some return to the lumen and disintegrate. 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.

Mature cysts are passed with feces.