VSHYUKOVA / SCIENCE PHOTO LIBRARY VSHYUKOVA / SCIENCE PHOTO LIBRARY
Fibroblast skin cells. Fluorescence light micrograph of fibroblast cells from human skin. Fibroblasts are cells that form connective tissue. These cells have been stained to show the actin (green) and tubulin (red) filaments, part of the cell's cytoskeleton.
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