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Medical Definition of Heterakis
1. A genus of important nematode parasites (family Heterakidae, order Ascaridida). Heterakis gallinarum is the caecal worm of chickens, turkeys, and many gallinaceous birds, and is the vector of Histomonas meleagridis, a protozoan that causes histomoniasis. Other species include Heterakis brevispiculum, Heterakis dispar, Heterakis isolonche, and Heterakis spumosa, the latter an abundant caecal parasite of rats and other rodents. (05 Mar 2000)
Lexicographical Neighbors of Heterakis
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