18. Continuous & Saltatory Propagation Mechanisms

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7 Terms

1
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In what type of axons does continuous propagation occur?

Unmyelinated axons

2
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What happens in the first segment during continuous propagation?

Depolarizes

3
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What triggers action potentials in adjacent unmyelinated segments?

Voltage-gated channel activation

4
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Why can’t an action potential propagate backwards?

Previous segment in absolute refractory period

5
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In what type of axons does saltatory propagation occur?

Myelinated axons

6
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At what specific anatomical structures do action potentials generate during saltatory propagation?

Nodes of Ranvier

7
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How does saltatory conduction speed compare to continuous conduction?

Faster