Cell Body, Contains usual cell organelles (large amounts of RER to aid in production of proteins and neurotransmitters)., Dendrons (with Dendrites) , Extensions of cell body that carry nerve impulses towards the cell body., Axon, A single long fibre that carries nerve impulses away from the cell body., Schwann Cells, Surround axon, protecting it and providing electrical insulation., Myelin Sheath, Covers the axon and is made up of the membranes of the Schwann cells., Nodes of Ranvier, Constrictions between Schwann cells where there is no myelin sheath..

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