Ascaris lumbricoides

Definition

Ascaris lumbricoides is a large parasitic nematode that infects the human intestine, causing ascariasis. It is one of the most common helminthic infections worldwide.

5 Must Know Facts For Your Next Test

1. Ascaris lumbricoides can cause malnutrition and intestinal obstruction in infected individuals.
2. The lifecycle of Ascaris lumbricoides includes both a human host and an environmental phase, with eggs being expelled in feces.
3. Diagnosis typically involves microscopic examination of stool samples to identify Ascaris eggs.
4. Infected individuals may be asymptomatic or exhibit symptoms such as abdominal pain, cough, and weight loss.
5. Effective treatment involves antiparasitic medications such as albendazole or mebendazole.

Review Questions

Related terms

Helminth: A parasitic worm, including nematodes like Ascaris lumbricoides.

Ascariasis:

The disease caused by infection with Ascaris lumbricoides.

Albendazole:

An antiparasitic medication commonly used to treat infections caused by helminths like Ascaris.