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The human central nervous system(CNS)has a markedly poor capacity for regenerating its axons following injury.This appears to be due to two main causes:1)a developmentally regulated decline in regenerative capacity within mature CNS neurons,and 2)the presence of biological components that constitute barriers to axon regeneration(e.g.,growth-inhibitory molecules).Intrinsic alterations
The human central nervous system (CNS) has a markedly poor capacity for regenerating its axons following injury. This appears to be due to two main causes: 1) a developmentally regulated decline in regenerative capacity within mature CNS neurons, and 2) the presence of biological components that establish barriers to axon regeneration (eg, growth-inhibitory molecules) .Intrinsic alterations