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A-Level Biology OCR A

Advantage Electrical Neurone Describe Explain Myelination Myelin Sheath

Myelination provides an advantage by acting as an electrical insulator, allowing nerve impulses to 'jump' between nodes of Ranvier (saltatory conduction), thus transmitting the signal much faster.

Myelination provides an advantage by acting as an electrical insulator, allowing nerve impulses to 'jump' between nodes of Ranvier (saltatory conduction), thus transmitting the signal much faster.

Front Describe and explain the advantage of myelination.
Back Advantage of myelination:
  • Myelin sheath is an electrical insulator
  • This means the electrical impulse will jump from one node to another as it travels along the neurone
  • As result, signal transmitted much faster - essentially skips a lot of the length of neurone

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