STEFANIE REICHELT / SCIENCE PHOTO LIBRARY STEFANIE REICHELT / SCIENCE PHOTO LIBRARY
Zebrafish muscle. Confocal light micrograph of the interior of an intact zebrafish (Danio rerio) larva, showing mytomes (blocks of muscle) in optical section. The tissues have been stained with fluorescent dyes and illuminated with a laser. The long, striated objects are individual muscle cells: cell nuclei are stained yellow, muscle proteins are stained blue/green. A confocal microscope detects light only from the focal point of its objective lens. By moving the focal point, images of thin sections of an intact specimen can be obtained. Magnification: x200 at 6x6cm size.
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