London, United Kingdom
Photograph - Photograph
Pennate diatoms. Light micrograph of a group of diatoms Pleurosigma angulatum. The blue colour is a diffraction effect. Diatoms have an 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). Diatoms are a distinctive group of single-celled algae containing about 10,000 species. They form a large part of the plankton in marine and freshwater food chains. Magnification x153 at 6x7cm size. Magnificatiom x260 at 4x5 inch size.
May 7th, 2013
Viewed 26 Times - Last Visitor from Germany on 07/10/2015 at 4:46 PM