tyzzeria

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• Tyzzeria — A genus of coccidia (family Eimeriidae) in which the oocyst contains eight naked sporozoites. Important species are T. anseris, a relatively nonpathogenic species found in the small intestine of domestic and wild geese, whistling swans, and… …   Medical dictionary

• Coccidia — oocysts Scientific classification Domain: Eukaryota Kingdom …   Wikipedia

• Eimeriina — Ei·me·ri·i·na (i″me riґĭ nə) a suborder of homoxenous or heteroxenous protozoa (order Eucoccidiida, subclass Coccidia), usually parasitizing the gut epithelium of the host, in which the macrogamete and microgametocyte develop… …   Medical dictionary