The nodes of Ranvier are
A) vesicles of neurotransmitters, stored in presynaptic neurons.
B) points along axons where sodium-potassium pumps are found.
C) vesicles of calcium ions, stored in postsynaptic neurons.
D) points along axons that are not surrounded by myelin.

Question

Quizplus · Accepted Answer

The nodes of Ranvier are gaps in the myelin sheath along an axon, where the axonal membrane is exposed and capable of generating action potentials.

The Nodes of Ranvier Are