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Diatom Pleurosigma Angulatum
Power And Syred
Photograph - Photograph
Light micrograph of diatoms Pleurosigma angulatum. The blue colour is a diffraction effect. Diatoms are a distinctive group of single-celled algae containing about 10,000 species. They form a large part of the plankton at the base of the marine and freshwater food chains. The characteristic feature of diatoms is their intricately patterned, glass- like cell wall, or frustule. The frustule consists of 2 halves which fit together like the lid and bottom of a box. The frustule is often decorated with rows of tiny holes, known as striae, which are arranged radially (in centric diatoms) or on the 2 sides of a central axis (in pennate diatoms). Magnification x200 at 35mm size.
May 7th, 2013
Viewed 15 Times - Last Visitor from Madrid, 29 - Spain on 09/18/2014 at 11:50 AM
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