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GLOSSARY
Amoeba: A single-celled organism that has no rigid body structure. Examples of parasitic amoebae include Entamoeba histolytica (cause of amoebic dysentery) and Naegleria sp. and Acanthamoeba sp. (causes of eosinophilic meningitis). Amoebae usually move around in water and take in food by extending pseudopods.
Dysentery: An inflammatory disorder of the lower intestinal tract, usually caused by a bacterial, parasitic, or protozoan infection and resulting in pain, fever, and severe diarrhea, often accompanied by the passage of blood and mucous.
Parasite: An organism living in or on another organism.