Giardia cysts in humans

Giardia signs in humans

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giardia cysts in humans

Segíts te is az építésében! LeírásGiardia lamblia SEM lores.

giardia cysts in humans

Once an animal or person has been infected with this protozoan, the parasite lives in the intestine, and is passed in the stool. Because the parasite is protected by an outer shell, it can survive outside the body, and in the environment for long periods of time.

giardia cysts in humans

Both cysts and trophozoites can be found in the feces diagnostic stages. The cysts are hardy and can survive several months in cold water. Infection occurs by the ingestion of cysts in contaminated water, food, or by the fecal-oral route hands or fomites.

giardia cysts in humans

In the small intestine, excystation releases trophozoites each cyst produces two trophozoites. Trophozoites multiply by longitudinal binary giardia parasite in humans, remaining in the lumen of the proximal small bowel where they can be free or attached to the mucosa by a ventral sucking disk.

giardia cysts in humans

Encystation occurs as the parasites transit toward the colon. The cyst is the stage found most commonly in pinworm módon feces. Because the cysts are infectious when passed in the stool or shortly afterward, person-to-person transmission is possible.

While animals are infected with Giardia, their importance as a reservoir is unclear. További a témáról.

giardia cysts in humans

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