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Any of various small nematode worms of the order Oxyurida that are parasitic in vertebrates and certain invertebrates, especially Enterobius vermicularis, a species that infests the human intestines. Also called threadworm.


(Animals) a parasitic nematode worm, Enterobius vermicularis, infecting the colon, rectum, and anus of humans: family Oxyuridae. Also called: threadworm



a small nematode worm, Enterobius vermicularis, infesting the intestine and migrating to the anus, esp. in children.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pinworm - small threadlike worm infesting human intestines and rectum especially in childrenpinworm - small threadlike worm infesting human intestines and rectum especially in children
nematode, nematode worm, roundworm - unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic


n oxiuro, pequeña lombriz blanca que afecta en particular a los niños
References in periodicals archive ?
The invasive South American tomato pinworm, Tuta absoluta, continues to spread in AfroEurasia and beyond: the new threat to tomato world production.
The most well-known and accepted parasitic infections in the US are pinworm (Enterobius vermicularis), Trichomonas vaginalis, Toxoplasma gondii, Giardia intestinalis (lamblia), and Cryptosporidium spp.
Pinworm infections and problems closing the mouth are two other causes of bruxism, though they occur infrequently; intense stress and anxiety are causes that are more common.
On both occasions, the infant was diagnosed with pinworm infection and prescribed Mebendazole.
Your son catches them when he accidentally eats pinworm eggs, which can be picked up from towels, toilets and toys, but most likely from scratching his own bottom.
Tiny pinworm eggs can live for two to three weeks on desks, countertops, and other surfaces.
magnavulvaris is a pinworm with a direct life cycle that exhibits little host specificity.
You can kill pinworm eggs with ammonia but infection with pinworms reduces the occurrence of adjuvant-induced arthritis in mice--but on the other hand mice infected with pinworms develop a lymphoproliferative disorder which eventually leads to lymphoma, and were in poor condition, with rough hair coats, reduced growth rate, and rectal prolapse.
In Canada, microencapsulated pheromone products are available to use with conventional spray equiment to combat the blackheaded fireworm, the grape berry moth, the pine shoot borer and the tomato pinworm.
Common intestinal parasites include pinworm, whipworm, roundworm, hookworm, threadworm, and tapeworm.