The central nervous system and the peripheral nervous system differ in the way the nerves regenerate following injury. What is the reason for this difference?

1 Answer
Nov 10, 2015

It comes down to the differences in the way that the fibers are formed.

Explanation:

For many reasons, the repair in the central nervous system is prevented by factors that prevent remyelination.

The nerve fibers that are not myelinated have a better chance of regeneration and repair because of their basement membranes that act like sign posts.

There are other factors involved including age and general health.

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Here is a more complex description:

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