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The pinworm (species Enterobius vermicularis), also known as threadworm (in the United Kingdom, Australia and New Zealand) or seatworm, is a parasitic worm.It is a nematode (roundworm) and a common intestinal parasite or helminth, especially in humans. [7]
[1] Pinworm infections commonly occur in all parts of the world. [1] [5] They are the most common type of worm infection in Western Europe, Northern Europe and the United States. [5] School-aged children are the most commonly infected. [1] In the United States about 20% of children will develop pinworm at some point. [3]
Eggs of different species of parasitic worm. Parasitic worms, also known as helminths, [1] are a polyphyletic group of large macroparasites; adults can generally be seen with the naked eye. Many are intestinal worms that are soil-transmitted and infect the gastrointestinal tract. Other parasitic worms such as schistosomes reside in blood vessels.
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Bispira volutacornis, sometimes known by the common names twin fan worm [2] or spiral fan worm, is a type of tube worm found in the shallow sublittoral zone of the eastern Atlantic Ocean. Bispira volutacornis has a parchment-like tube with a mucoid outer layer which is often coated with mud or silt. The tube is usually concealed in a crevice ...
Whole blood with microfilaria worm, giemsa stain. L. loa worms have a simple structure consisting of a head (which lacks lips), a body, and a blunt tail. The outer body of the worm is composed of a cuticle with three main layers made up of collagen and other compounds which aid in protecting the nematodes while they are inside the digestive system of their host.
Trichuriasis, also known as whipworm infection, is an infection by the parasitic worm Trichuris trichiura (whipworm). [2] If the infection is only with a few worms, there are often no symptoms. [1] In those who are infected with many worms, there may be abdominal pain, fatigue and diarrhea. [1] The diarrhea sometimes contains blood. [1]
Athletes Found Worms In The Olympic Village Food Maddie Meyer - Getty Images "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links."