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What is the pathophysiology of Balantidium coli?
How does Balantidium coli affect the human body?
Where does Balantidium coli live?
Balantidium coli is a large ciliated protozoan that infects humans and swine. It causes cysts and trophozoites in the intestine, and may cause ulceration, diarrhea, or extraintestinal infection.
Life cycle. Balantidium coli life cycle. Infection occurs when a host ingests a cyst, which usually happens during the consumption of contaminated water or food. [1] [6] Once the first cyst is ingested, it passes through the host's digestive system. [4]
Mar 17, 2015 · Learn how Balantidium coli, a large ciliated protozoan parasite, causes balantidiasis. Find out how cysts are transmitted, excyst, and encyst in the human and animal intestine.
Balantidium has a simple life cycle, as follows: dormant cyst to trophozoite and trophozoite to cyst. Transmission is direct, from a contaminated water or food supply to humans (Fig. (Fig.1). 1). No intermediate host, as occurs with many other parasitic species, is needed.
Abstract: The information presented in this chapter is based on understanding as of May 11, 2022. Chapters are updated periodically to reflect new evidence or recommendations. Balantidiasis presents as diarrhea or dysentery and is caused by Balantidium coli, a large ciliated protozoan.
