Disorders of myelination/Repetitorium

Concepts: Formation and function of the myelin sheath

Demyelinating and dysmyelinating disorders

  • Slowing of AP propagation - desynchronization of conduction
  • Incomplete nerve fiber isolation - AP propagation with decrement - AP skipping
  • Limitation of mechanical protection

Central and peripheral demyelination

Major causes

  • Sclerosis multiplex
  • Diabetes mellitus


References

Source