I.   RESPONSE OF THE NEURON TO INJURY
     All neurons react similarly
II.  GLOSSARY OF GLIAL CELLS:
Normal function
Response to injury
III. DEGENERATION:
       Reactive changes, timecourse
IV.  REGENERATION
A.  Neurons in the PNS can regenerate their axons.  How?
B.  Neurons in the CNS have a limited capacity to regenerate
axons.   Why?
V.    EXPERIMENTAL STRATEGIES TO PROMOTE REPAIR AND
       RECOVERY OF FUNCTION:  examples, recent reports