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    Myelin for action potential propagation.

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    Myelin is important for action potential propagation. Multiple sclerosis is an autoimmune disease where the myelin sheath surrounding CNS axons is progressively lost. How will this degradation affect the generation of action potentials?

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    Solution Preview

    Firstly, consider what myelin does to propagate action potentials in axons.

    Action potentials in neurons rely on ion channels along the membrane of the neuron (both soma and axon) which allow certain ions to flow in or out. The change in electrical voltage allows more channels downstream to open, eventually until neurotransmitter release at the end of the neuron is induced via ...

    Solution Summary

    This solution helps with a problem regarding action potentials.