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Can the body self-repair nerve damage?

Can the body self-repair nerve damage?

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The human body is good at healing itself, but some things can’t be fixed.

Asked by: Brian Shimell, Surrey

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Up to a point. If the body of the neuron is still intact, the branches that extend out from the cell body can regrow at a rate of about 2cm per month. If the surrounding membrane of a nerve bundle is still intact, the neuron can grow along this, to its original target. But muscle cells left disconnected for too long won’t accept new nerve connections.

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Authors

luis villazon
Luis VillazonQ&A expert

Luis trained as a zoologist, but now works as a science and technology educator. In his spare time he builds 3D-printed robots, in the hope that he will be spared when the revolution inevitably comes.

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