J.W. SHULER / SCIENCE PHOTO LIBRARY J.W. SHULER / SCIENCE PHOTO LIBRARY
Cell mitosis. Image 1 of 2. Fluorescent light micrograph of a human epithelial cell, dividing during the anaphase stage of mitosis. Mitosis is the cycle of replication and division by which new body cells are formed. The epithelium is the layer of cells that covers an organ. The chromosomes of the parent cell (blue) are duplicated and pair up along a proteinaceous apparatus called the spindle (green). They then separate and move to opposite poles, in a process called cytokinesis. When the cell has split, two identical daughter cells, each with a full complement of genetic material, are formed. Magnification: x5040 at 6x9cm size. See P672/070 for the next mitotic stage.
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