STEFANIE REICHELT / SCIENCE PHOTO LIBRARY STEFANIE REICHELT / SCIENCE PHOTO LIBRARY
Cell division. Confocal light micrograph of a dividing cell. The mitotic spindle (green, centre) functions to separate the split chromosomes (chromatids), moving one set into each daughter cell. The structure has been made visible by fluorescently-labelled antibodies to microtubulin, a protein of the spindle and cytoskeleton. Protein from the Golgi apparatus, a network of vesicles involved in processing and transporting cellular products, is labelled purple. A confocal microscope detects light only from the focal point of its objective lens, allowing images of thin sections of an intact specimen to be obtained. Magnification unknown.
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