Duodenalis cyst

giardia poop colour

A Commons duodenalis cyst szabad licencű kép- és multimédiatár. Segíts te is az építésében! LeírásGiardia lamblia SEM lores.

Giardia Cyst Morphology

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.

duodenalis cyst

Cysts are resistant forms and are responsible for transmission of giardiasis. Both cysts and trophozoites can be found in the feces diagnostic stages.

duodenalis cyst

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.

férgek a gyermek hüvelyében parazita fergek megelozese

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

lambli férgek gyógyszere a test egy parazita

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

belfereg bno paraziták hőkezelése

While animals are infected with Giardia, their duodenalis cyst as a reservoir is unclear.