Enterobius vermicularis
Enterobius vermicularis
Enterobius vermicularis (pronunciation: en-ter-OH-bee-us ver-mi-CUE-lar-is), also known as the pinworm or threadworm, is a type of parasite that lives in the human gastrointestinal tract. The name is derived from the Greek words "enteron" meaning intestine, "bios" meaning life, and "vermicularis" meaning worm-like.
Life Cycle
The life cycle of Enterobius vermicularis begins when eggs are ingested, usually due to poor hygiene practices. The eggs hatch in the small intestine, and the larvae migrate to the large intestine, where they mature into adult worms. Female worms migrate to the anus to lay their eggs, causing an itchy sensation. Scratching the area can lead to re-ingestion of the eggs, continuing the cycle.
Symptoms and Diagnosis
Symptoms of an Enterobius vermicularis infection, known as enterobiasis, include itching around the anus, disturbed sleep, and abdominal pain. Diagnosis is usually made by identifying the eggs or adult worms. This is often done using the "tape test", where a piece of clear tape is applied to the anal area and then examined under a microscope.
Treatment
Treatment for enterobiasis typically involves medication to kill the worms, such as mebendazole or albendazole. Good hygiene practices, including regular hand washing and cleaning of bedding and clothing, can help prevent re-infection.
Epidemiology
Enterobius vermicularis is found worldwide, and is the most common helminth (parasitic worm) infection in the United States and Western Europe. It is most common in children, but can affect individuals of any age.
See Also
External links
- Medical encyclopedia article on Enterobius vermicularis
- Wikipedia's article - Enterobius vermicularis
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