Coccidian protozoan. All coccidians are intracellular parasites of various vertebrates and invertebrates. Eimeria tenella infects chick intestinal epithelial cells and is of veterinary importance. The trophozoites invade host cells, proliferate as merozoites by schizogony which can then infect adjacent cells if released. Merozoites differentiate to male or female gamonts that fuse to form a zygote that undergoes division to form eight zoites that are retained within a zygocyst. If the zygocyst is ingested by a new host the zoites emerge, and reinfect the host as trophozoites.
Eimeria is a genus of apicomplexan parasites that includes various species capable of causing the disease coccidiosis in cattle and poultry, among other animals. The most prevalent species of Eimeria that cause coccidiosis in cattle would be E. bovis, E. zuernii, and E. auburnensis. In a young, susceptible calf it is estimated that as few as 50,00...Found on http://en.wikipedia.org/wiki/Eimeria
A genus of protozoan parasites of the subclass coccidia. Various species are parasitic in the epithelial cells of the liver and intestines of man and other animals. ... (12 Dec 1998) ... Found on http://www.encyclo.co.uk/local/20973
Eimeria is a member of the Coccidia vera order.Found on http://www.probertencyclopaedia.com/browse/BE.HTM
genus of parasitic protozoans of the spore-producing phylum Apicomplexa (previously Sporozoa). Eimeria, which causes coccidiosis in livestock and ...Found on http://www.britannica.com/eb/a-z/e/15
Type: Term Pronunciation: ī-mēr′ē-ă Definitions: 1. A coccidian parasite that affects mammals, fish, and poultry; abbreviated taxonomy: Eukaryota; Alveolata; Apiocomplexa; Coccidia; Eimeriida; Eimeriidae. Sporozoites that invasde intestinal mucosa cause diarrhea, hemorrhage, tenesmus, dehydroation, weight loss, and in adva...Found on http://www.medilexicon.com/medicaldictionary.php?t=28147
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