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|Noun||1.||entozoan - any of various parasites that live in the internal organs of animals (especially intestinal worms)|
parasite - an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host
|Adj.||1.||entozoan - of or relating to entozoa|
|2.||entozoan - living within a living animal usually as a parasite; "entozoic worms"|