A gap between successive segments of the myelin sheath where the axon membrane is exposed is called the ...

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Prepare effectively for the Challenge A Anatomy Test. Use flashcards and multiple choice questions with detailed explanations and hints to increase your understanding and retention. Prepare with the right tools to boost your exam readiness!

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A gap between successive segments of the myelin sheath where the axon membrane is exposed is called the ...

Gaps in a myelinated axon where the membrane is exposed are called Nodes of Ranvier. These nodes are spaced along the axon and are rich in voltage-gated sodium channels, which let the action potential be regenerated as it hops from node to node. This setup enables saltatory conduction, speeding up neural signaling compared with unmyelinated fibers. A synaptic cleft is a gap at a synapse between neurons, a nucleus is a cell-body structure containing genetic material, and the myelin sheath is the insulating covering around the axon—not a gap. So the exposed gaps between myelin segments are the Nodes of Ranvier.

A gap between successive segments of the myelin sheath where the axon membrane is exposed is called the ...

Prepare effectively for the Challenge A Anatomy Test. Use flashcards and multiple choice questions with detailed explanations and hints to increase your understanding and retention. Prepare with the right tools to boost your exam readiness!

A gap between successive segments of the myelin sheath where the axon membrane is exposed is called the ...

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