FRANK FOX / SCIENCE PHOTO LIBRARY FRANK FOX / SCIENCE PHOTO LIBRARY
Bristle worm. Differential interference contrast (DIC) light micrograph of a bristle worm (polychaete worm), showing the bundles of setae (hairs) protruding from its body. Polychaetes are a class of annelid worm. Magnification: x140 when printed 10 centimetres wide.
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