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Myelin Sheath


STRUCTURE AND COMPOSITION

FUNCTION AND SIGNIFICANCE

  • Myelin Sheath serves to insulate the axon along its way. There are small gaps between adjacent Myelin Sheaths through which conduction hence signal transmission can occur. Nerve Signals travel through these gaps in a jumping fashion and this type of transmission is fast. Hence it is an important component of nervous system.
  • If a peripheral neuron is damaged, Myelin Sheath can provide a path for regrowth of Axon. However it is not perfect.
  • Damage to Myelin Sheath often results in loss of the neuronal function.
  • Myelin Sheath can degenerate in certain diseases of CNS. For Example Autoimmune Diseases like Multiple Sclerosis, Neuromyelitis Optica, Guillain-Barre’ Syndrome etc.

 



STRUCTURE AND COMPOSITION

FUNCTION AND SIGNIFICANCE

  • Myelin Sheath serves to insulate the axon along its way. There are small gaps between adjacent Myelin Sheaths through which conduction hence signal transmission can occur. Nerve Signals travel through these gaps in a jumping fashion and this type of transmission is fast. Hence it is an important component of nervous system.
  • If a peripheral neuron is damaged, Myelin Sheath can provide a path for regrowth of Axon. However it is not perfect.
  • Damage to Myelin Sheath often results in loss of the neuronal function.
  • Myelin Sheath can degenerate in certain diseases of CNS. For Example Autoimmune Diseases like Multiple Sclerosis, Neuromyelitis Optica, Guillain-Barre’ Syndrome etc.

 

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