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Entamoeba histolytica - parasitic amoeba

Image Number: 21060C

Caption:

Parasitic amoeba (Entamoeba histolytica) causes amebic dysentery & ulcers (vegetative trophozoite stage). Amebic dysentery is spread by fecal contamination of food and water and is most common where sanitation is poor. Amoebae invade the intestine but may spread to the liver, lungs and other tissues. Infection is caused by the ingestion of cysts in contaminated food or water. Cysts develop into the pathogenic trophozoite forms seen here. Entamoeba histolytica occurs worldwide, with up to 50% of the population being infected primarily in warmer climates.

Keywords:

| 21060C protozoan protozoa Entamoeba histolytica eukaryote contaminated fresh water amoebic dysentery amebic dysentery colon infection dysentery intestine human disease animal disease zoonoses zoonotic microorganism infection protozoal pathogen feces polluted pollution parasitic parasite aquatic plankton zooplankton SEM |

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