HEITI PAVES / SCIENCE PHOTO LIBRARY HEITI PAVES / SCIENCE PHOTO LIBRARY
Fibroblast cell. Confocal laser scanning micrograph of a fibroblast cell. The cell nucleus, which contains the cell's genetic information, is green. Actin filaments, which make up part of the cytoskeleton, are blue. The cytoskeleton maintains the cell's shape, allows some cellular mobility and is involved in intracellular transport. Mitochondria, which produce energy for the cell, are red. Fibroblasts are cells that give rise to connective tissue such as collagen, the main structural protein in the body. They are important in wound healing.
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