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Balantidium coli


Definition: a very large parasitic ciliate species, usually 50–80 mcm in length, reaching up to 200 mcm in pigs, found in the cecum or large intestine, swimming actively in the lumen; usually harmless in humans but may invade and ulcerate the intestinal wall, producing a colitis resembling amebic dysentery.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.