Myelin sheath

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10 Terms

1
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What makes the myeline sheath

Schwann cells

2
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The sheaths how are they structured

They are fatty layers that warp around the axon

3
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When sheaths are damaged what can happen to the impulse

It will slow down

4
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What does the myelin sheath do

Speed up conduction

5
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What are the gaps in between the sheaths

Node of ranvier

6
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What is an internode

The myelinated spaces bewteen gaps

7
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Functions of the myelin sheath

  • protect the nerve fibre

  • Helps the nervous system to communicate

  • Generates conductions

8
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What do the nodes of ranvier do

Travel impulses down for action potential from one node to another r

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What is saltatorry conduction

Impulses jumping from node to node

10
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Are the myeline sheaths flat

Yes