A damages axon in the PNS may be able to regenerate only if the cell body is intact. Why do you think that the cell body must be intact for regeneration to occur?

Question

Justus Campbell

Biology

1 June, 17:12

A damages axon in the PNS may be able to regenerate only if the cell body is intact. Why do you think that the cell body must be intact for regeneration to occur?

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Branden Lamb · Answer 1

The central nervous system (CNS) does not have capacity to repair itself but, the PNS or the peripheral nervous system can repair and regenerate itself. The PNS can regenerate its damaged axon only when its cell body or cyton and its neurilemma are intact. The proximal end of the cyton has growth cones. The axon grows from the cones.