6 Questions
Which cell type phagocytoses debris in an injured nerve fiber?
Macrophages
What is the rate of axon growth during nerve fiber regeneration?
0.5-3 mm/d
What happens to the muscle fiber in the weeks following nerve fiber injury?
It becomes denervated
What is the main change that takes place in an injured nerve fiber?
The RER is greatly reduced initially
What happens to the Schwann cells in the weeks following nerve fiber injury?
They form a compact cord penetrated by the regrowing axon
What is the rate of nerve fiber regeneration?
1-2 mm/d
Test your knowledge on the changes that occur in an injured peripheral nerve and the potential for axon regeneration with this quiz. Keywords: peripheral nerve, axon regeneration, injury, RER.
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