the pinworm

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threadworm
pinworm
Any of several nematode worms, of the family Oxyuridae, that are parasitic to mammals
pinworm
{i} small parasitic worm that infests the intestines and anus
pinworm
small threadlike worm infesting human intestines and rectum especially in children
pinworm
It is most common in children and aged persons
pinworm
Common species (Enterobius vermicularis) of nematode parasitic to humans, especially children. Female pinworms may be 0.5 in. (13 mm) long; males are much smaller. Pinworms have a very long tail that gives them a pinlike appearance. They mate in the upper gastrointestinal tract, usually in the large intestine; the females travel to the anus, deposit their fertilized eggs on the skin near the anal opening, and die. The worms' movements cause itching; eggs transferred to the fingernails when the victim scratches may be passed to the mouth. Eggs can also be inhaled with air dust. The eggs or larvae make their way to the intestine, and the cycle begins again
pinworm
A small nematoid worm (Oxyurus vermicularis), which is parasitic chiefly in the rectum of man
the pinworm
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