why neurons can not regenerate? Give an authentic reason.
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The causes of this loss of regeneration include partitioning of neurons into axonal and dendritic fields with many growth-related molecules directed specifically to dendrites and excluded from axons, changes in axonal signalling due to changes in expression and localization of receptors and their ligands, changes in ...
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Neurons do not reproduce like many others type of cells (they are amitotic, they do not have mitosis). Their DNA copying is blocked. Thus, they usually don't regenerate (except for aferent and eferent neurons) and have to be protected from damage by the glial cells. The regeneration is done via Schwann cells (glia).
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