Shouldn’t the broken nerve endings or the muscle fibres not meld together? How do doctors reconnect those?
In: Biology
The hand is special in that almost all of the muscles to control hand and finger movement are in the forearm, not the hand itself. So, if you reattach the tendons coming from those muscles, the hand can still move. Sensory nerves are another issue. The nerves can be reattached, but it can take a long time, if ever, for the actual nerve fiber connections to grow back, so usually the reattached part is numb. It is actually the outside of the nerve that is sutured together. All attachments are done with very thin suture, and often require looking through microscopes to do the operation
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