GERD GUENTHER / SCIENCE PHOTO LIBRARY GERD GUENTHER / SCIENCE PHOTO LIBRARY
Light micrograph of Aphanothece sp. marine cyanobacteria, showing cylindrical cells, embedded in mucilage. Culture material of the Culture Collection of Algae at the University of Cologne, Germany. Microscopic contrast method : Differential interference contrast. Magnification 980x when printed at 10 centimetres wide.
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