Image of Acanthamoeba polyphaga

Image of Acanthamoeba polyphaga


Magnified 1000X, this photomicrograph revealed the presence of Acanthamoeba polyphaga parasitic microorganisms, which were found in a specimen of human trichrome-stained corneal tissue.

Acanthamoeba is a microscopic, free-living ameba that is relatively common in the environment. This ameba has been isolated from water (including natural and treated water in pools or hot tubs), soil, air (in association with cooling towers, heating, ventilation and air conditioner [HVAC] systems), sewage systems, and drinking water systems (shower heads, taps). Most people will be exposed to Acanthamoeba during their lifetime and will not get sick. However, Acanthamoeba is capable of causing several infections in humans.

Created: 1975

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