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Axon
...  of collateral axons occur. These are axons resulting from the branching of the original axons. Schwann cells, on the other hand, are neuroglia, which form protective coverings in the form of myelin sheaths. The myelin sheaths insulate the axons and are responsible in stopping almost all electrical flow coming through the membrane of the cell. Types of neuroglia These neuroglial cells  ...

Myelination
...  responsible for the whitish color of the nerves and the spinal cord. In the peripheral nervous system, myelination occurs during the growth of neurolemmocytes around the axon or dendrite. The outer myelin sheath is surrounded by another sheath, called as a glycoprotein neurolemmal sheath. It is then responsible for the myelin’s protection and regeneration by the time it will experience  ...


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