WIM VAN EGMOND / SCIENCE PHOTO LIBRARY WIM VAN EGMOND / SCIENCE PHOTO LIBRARY
Differential interference contrast (DIC) light micrograph of an Euglena acus flagellate protozoan. The red 'eye spot' or stigma is used for orienting itself towards a light source. Also seen are many rod-like paramylon bodies. Paramylon is a carbohydrate similar to starch that is used as an energy reserve. Magnification: x630 when printed 10 centimetres wide.
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