Question

multiple choice question
the gaps between segments of myelin along an axon are called
initial segments.
collaterals.
synapses.
nodes of ranvier.

Explanation:

In the nervous - system, the gaps between segments of myelin along an axon are known as nodes of Ranvier. They are crucial for the saltatory conduction of nerve impulses. Initial segments are parts of axons near the cell body, collaterals are side - branches of axons, and synapses are the junctions between neurons for signal transmission.

Answer:

D. nodes of Ranvier