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Entamoeba histolytica

amoeboid organism

Quick Summary

Entamoeba histolytica is a protozoan parasite that causes amebiasis in humans. It belongs to the genus Entamoeba, a group of amoeboid organisms known for their ability to move using temporary cytoplasmic extensions called pseudopodia.12

E. histolytica primarily infects the large intestine, where it can cause diarrhea, abdominal pain, and fever by ulcerating the intestinal walls. If the amoebas enter the bloodstream, they can spread to other organs like the liver, lungs, brain, and spleen, forming abscesses. The parasite is transmitted through contaminated food and water, often via cysts. While some E. histolytica infections are asymptomatic, others can be severe.13

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