In the vertebrate nervous system, the term “Node of Ranvier” refers to:

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Correct Answer: B. The gap between the myelin sheath segments
The correct answer is B. The gap between the axon terminal and dendrite of the next neuron is called the synaptic cleft. The lipid-based coating that covers the neurons is the myelin sheath, and this sheath covers segments along the axon called internodes and the gaps between these internodes are called the Nodes of Ranvier.
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