Ascaris parasites live in the intestine. Ascaris eggs are passed in the feces (poop) of infected people. If an infected person defecates outside (for example, near bushes, in a garden, or in a field), or if the feces of an infected person is used as fertilizer, worm eggs are deposited on soil. 23 нояб. 2020 г.
Where is ascariasis found in the body?
Ascaris is an intestinal parasite of humans. It is the most common human worm infection. The larvae and adult worms live in the small intestine and can cause intestinal disease.
What is the site of infection of roundworm?
The eggs then hatch inside your body. For other roundworms, eggs may hide in the food people eat. And in some cases, larvae can enter the body directly through your skin. Regardless of how they enter, most roundworms end up in your intestines, causing infection or disease.
What is the route of infection for ascariasis?
Infection occurs by ingestion of food or drink contaminated with Ascaris eggs from feces. The eggs hatch in the intestines, the larvae burrow through the gut wall, and migrate to the lungs via the blood. There they break into the alveoli and pass up the trachea, where they are coughed up and may be swallowed.
Which route of infection is most common for Ascaris lumbricoides?
How is ascariasis transmitted? Ascariasis spreads through hand-to-mouth contact — when a person touches and swallows fertilized Ascaris eggs. In places that lack adequate sanitation, people infected with ascariasis may defecate (poop) outside. In some areas, people use human feces as fertilizer.
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