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Scheme of the central motor neuron. The motor cell body, together with all its protoplasmic processes, its axis-cylinder process, collaterals, and end ramifications, represent parts of a single cell or neuron. Labels: a, h, Axone-hillock devoid of Nissl bodies, and showing fibrilation; c, cytoplasm showing Nissl bodies and lighter ground substance. n', nucleolus.

Scheme of the Central Motor Neuron

Scheme of the central motor neuron. The motor cell body, together with all its protoplasmic processes,…