The nodes of Ranvier are:
A) a type of neuron that communicates information from one neuron to another.
B) the synaptic vesicles that contain neurotransmitters.
C) the ion channels in the membrane of a neuron's axon that open and close during an action potential.
D) small gaps in the myelin sheaths that cover some axons.

Question

Quizplus · Accepted Answer

Nodes of Ranvier are small gaps in the myelin sheaths that cover some axons. They allow for saltatory conduction of action potentials, which increases the speed of neuronal signaling.

The Nodes of Ranvier Are