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Motor neurons, light micrograph
Light micrograph of motor neurons of the spinal cord grey matter. These large nerve cells show cytoplasmic extensions representing dendrites and one axon. The axon may extend for a considerable distance e.g. to the foot. Rough endoplasmic reticulum (purple-stained material) surrounds the cell nucleus and is called Nissl substance. Between the neurons is the neuropil comprised of dendrites, axons, capillaries and glial cells. Magnification x350 printed at 10cm height.
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