Myelination

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4 Terms

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What is myelin used for?

  • electrical insulation.

  • Speed up nerve transmissions.

2
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What are myelins made up of?

SCHWANN CELLS.

  • wrap around axon, layers of cell membrane that wont allow electricity out.

  • Electrical insulation.

3
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How are signals sent quicker in nerves with myelin?

SALUTATORY CONDUCTION

  • Less axon needed to be depolarised so AP jumps to node of ranviers.

4
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What are nodes of ranvier?

Gaps between myelin and axon.

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