Confocal LM of sea urchin egg: telophase division

Confocal LM of sea urchin egg: telophase division

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This image is part of the feature Egg Fertilisation

Credit: MICHAEL WHITAKER/SCIENCE PHOTO LIBRARY

Caption: Egg cell division (third of 4 images). Confocal light micrograph of the telophase stage of cell division in a sea urchin egg. Microtubules are concentrated in two cell regions (yellow, left and right) where the nuclei are forming. In telophase, chromosomes have separated and a nuclear membrane forms around each chromosome group. Microtubules (red) help in movement of the chromosomes as well as forming the cytoskeleton of the cell. Once the egg has divided into daughter cells an embryo develops. In confocal microscopy a fluorescent dye in the specimen is excited by laser light. See photo's P673/047, P673/049, P673/051 in this sequence. Magnification: x450 at 6x7cm size.

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Keywords: animal cell division, cell division, confocal microscopy, egg, fluorescence, fluorescent, images, immunofluorescence, immunofluorescent, laser confocal microscopy, light micrograph, magnified image, microscopic photos, microtubule, mitosis, sea urchin, subjects, telophase

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