MICROSCAPE / SCIENCE PHOTO LIBRARY MICROSCAPE / SCIENCE PHOTO LIBRARY
Light microscopy of myelinated nerves in a cross-sectioned nerve fibre. Axons appear as circular or elliptical profiles enclosed by white rings representing myelin sheaths produced by Schwann cells. Schwann cell nuclei are occasionally seen close to an axon but most of the cell nuclei (dark blue) are fibroblasts of the connective tissues (pink) that support the nerve fibre. Magnification x250 when printed at 10 cm.
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