London, United Kingdom
Trichodina Parasite, Sem
Photograph - Photograph
Trichodina parasite. Coloured scanning electron micrograph (SEM) of a Trichodina sp. protist on a freshwater minnow. This ciliate parasite lives on the skin, gills and mucous membranes of many aquatic animals. It adversely affects respiratory and ionic exchange at the gills by stimulating mucous production. Magnification x1000 when printed at 10 centimetres wide.
May 10th, 2013
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