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When a nerve is compressed or injured, a variety of types of injury can usually be found each has its own time course for recovery. A simple compression will recover very rapidly, if the sheath is destroyed, then weeks may be required for a new insulating lining to be rebuilt. If the axon itself is disrupted, then a replacement must be grown from the cut point all the way on out to the skin or muscle at a rate of 1-4 millimeters per day. If the conduit itself is destroyed, then a regrowing nerve may never find its way past the point of injury. |
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