NATIONAL INSTITUTES OF HEALTH / SCIENCE PHOTO LIBRARY NATIONAL INSTITUTES OF HEALTH / SCIENCE PHOTO LIBRARY
Fibroblasts. Micrograph of a section through fibroblast cells, showing the nuclei (blue), actin cytoskeleton (red) and mitochondria (green). Fibroblasts are one of the most common cells found in connective tissue. They synthesise collagen. Magnification unknown.
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