02 Wallerian Degeneration
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trauma
arms/legs
mild damage: neurapraxia
Continuity: rest of nerve not severed
entire nerve damaged, including epineurium
nerve distal and proximal to lesion react differently
axonal regrowth happens if schwann cell is intact
ischemia
red neurons = ischemia
cyst walled off by astrocytes
3+ reflex
face and neck
bulbar palsy or symptoms
bulbar palsy: LMN palsy of bulbar
