Biology A level: Passage of an action potential along an myelinated axon (1)

Question

Passage of an action potential along an myelinated axon (1)

Eva K 3sq0 · Accepted Answer

- In myelinated axons the fatty sheath of myelin around axon acts as an electrial insultor 
- Preventing APs from forming
- At intervals of 1-3mm there are breaks in myelin insulation, nodes of Ranvier
- AP can occur at these points

Biology A level

Passage of an action potential along an myelinated axon (1)

- In myelinated axons the fatty sheath of myelin around axon acts as an electrial insultor - Preventing APs from forming - At intervals of 1-3mm there are breaks in myelin insulation, nodes of Ranvier - AP can occur at these points

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