GERD GUENTHER / SCIENCE PHOTO LIBRARY GERD GUENTHER / SCIENCE PHOTO LIBRARY
Light micrograph of oscillatoria sp. (L. oscillator, something that swings) cyanobacterium filaments, with some curved filament ends visible. Oscillatoria filaments slowly move longitudinal, while the curved filament heads slowly rotate. Microscopic contrast method : Differential interference contrast. Magnification 590x when printed at 10 centimetres wide.
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