Nerve Regeneration

axon; greater

1. Peripheral ____ is injured (the farther from cell body, the _____ the likelihood of regeneration)

seal and swell; distally

2. Separated ends __ and ____ (on end that was damaged) and spreads _____

Wallerian; axon; myelin sheath; nutrients; phagocytes; neurolemma and endoneurium

3. ____ degeneration occurs. The ____and ____ degenerates due to lack of ______. Once it degenerates, ____ degrade the damaged portion. The ____ and _____ are left alone by the phagocytes and stay intact.

Schwann

4. Surviving ____ cells proliferate and migrate to injury site

growth factor; regeneration tube

5. Schwann cells release ____ ___ and CAMS (cell-surface adhesion molecules) and form a ______ ____

axons; 1.5

Growth factors and CAMs cause the ____ to grow at about ___ mm per day

amount and location

likelihood of regeneration is based on the ____ and ____ of damage