Balantidium


Also found in: Medical.

Balantidium

[‚bal·ən′tid·ē·əm]
(invertebrate zoology)
A genus of protozoans in the order Trichostomatida containing the only ciliated protozoan species parasitic in humans, Balantidium coli.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Balantidium

 

(Balantidium coli), a protozoan from the order of uniformly ciliated infusorians.

Balantidium is a parasite in man and swine. It was first discovered in swine in 1862 by the German protozoologists R. Leuckart and F. Stein. The asymmetrical oval body of the Balantidium (30–150 microns [μm] long and 20–110 μm wide) is covered with short cilia arranged in longitudinal rows. Balantidium reproduces by transverse division. It parasitizes the large intestine, especially the cecum. It feeds on starch and food residues in the feces and elements of the blood. Sometimes Balantidia attack each other. In the intestine, Balantidia are surrounded and covered with a thick membrane, forming cysts that are excreted with the host’s feces. Balantidia may cause the disease called balantidiasis.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
In the 4 wild boar, for example, Balantidium coli, detected by histopathologic examination (data not shown), might have been an additional factor causing the diarrhea (10).
Comparison of five parasitological techniques for laboratory diagnosis of Balantidium coli cysts.
Among intestinal protozoans, beside Eimeria and Balantidium coli, Cryptosporidium has been identified as an emerging pathogens in both domestic and wild animals and its potential for being zoonotic in nature (Soulsby, 1982).
In addition, parasites such as Entamoeba histolytica, Schistosoma sp., Taenia sp., Ascaris lumbricoides (Ascaris), and very rarely, Balantidium coli have also been reported to cause appendicitis [3,4].
Diabetic individuals n (%) Parasites species T1D T2D p * Protozoans Giardia lamblia 12 (10) 13 (36) <0.01 Entamoeba histolytica/dispar 1 (0.8) 1 (3) 0.40 Balantidium coli 0 (0) 1 (3) 0.40 Helminths Ascaris lumbricoides 8 (7) 11 (30) <0.01 Taenia sp.
El resto de bacterias y parasitos (Trichuris suis, Balantidium coli, Giardia intestinalis, Strongyloides spp., Metastrongylus spp., coccidias y "estrongilidos") por su impacto economico, su importancia epidemiologica y por ser potencialmente patogenas para otras especies, incluidos los humanos.
Among various common protozoan Coccidia Giardia Entamoeba Trichomonas and Balantidium coli are important protozoan parasites that cause a wide range of intestinal problems in dogs (Bowman 2003).