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How Does Excystation Occur?

Alexander Ross • • 7 min read
How Does Excystation Occur?

When Giardia cysts are swallowed, they pass through the mouth, esophagus, and stomach into the small intestine where each cyst releases two trophozoites

trophozoites
From Wikipedia, the free encyclopedia. A trophozoite (G. trope, nourishment + zoon, animal) is the activated, feeding stage in the life cycle of certain protozoa such as malaria-causing Plasmodium falciparum and those of the Giardia group. (The complement of the trophozoite state is the thick-walled cyst form).
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through a process called excystation. The Giardia trophozoites then feed off and absorb nutrients from the infected person.

What causes Excystment to occur?

Following ingestion by a new host, the cyst is exposed to the various biochemicals found in the upper gastrointestinal (GI) tract, which results in the eventual emergence (excystment) of the ameboid trophozoite form via a process that is assumed to occur in the small intestine.

What are the causes of amoeba?

Amebiasis (am-uh-BYE-eh-sis) is an infection of the intestines with a parasite called Entamoeba histolytica (E. histolytica). The parasite is an amoeba (uh-MEE-buh), a single-celled organism. People can get this parasite by eating or drinking something that's contaminated with it.

Alexander Ross
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Alexander Ross

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.