DR GOPAL MURTI / SCIENCE PHOTO LIBRARY DR GOPAL MURTI / SCIENCE PHOTO LIBRARY
Fibroblast cell. Confocal light micrograph of a mammalian fibroblast cell. The cell has been stained to reveal its structures: nucleus purple and cytoskeleton yellow. Fibroblasts are found in connective tissue. They are responsible for producing collagen, the main structural protein in the body. In confocal microscopy a laser excites fluorescent dyes placed in the specimen. Magnification: x1350 when printed 10cm wide.
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