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On ‎28‎/‎10‎/‎2018 at 3:58 PM, MazSnellingUoSBiomed said:

Can humans live without peripheral myelin, or is it just reduced peripheral myelin leading to disorders that is common?

Damaged myelin in the peripheral nervous system(PNS) is causal related to disorders and injuries. When the cell body of a neuron in the peripheral nervous system is mostly intact then a damaged myelin sheath can generally regenerate due to schwann cells (and other properties of neurons in PNS).  In your central nervous system such regeneration is extremely unlikely, their are many reasons for this.

I think myelin is necessary for neurotransmission/signal propagation.

Myelin insulates nerve cell axons to increase the speed at which information (encoded as an electrical signal) travels from one nerve cell body to another.

If all myelin is gone in a neuron, then it's no longer a 'working' neuron.

Edited by Itoero

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