How does myelination affect the propagation of an action potential?

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Biology

Samson Mason

2 July, 20:42

How does myelination affect the propagation of an action potential?

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Ruby Daugherty · Answer 1

The inflow of sodium ions into the intracellular fluid causes depolarization of the neuron's inner cell membrane. During the transmission of an action potential along the neurilemma of a myelinated neuron, as one node is repolarizing, the next node is depolarizing.