Question

question 12
0 points
identify the neuronal structure(s) indicated by the black arrow(s).
a myelin sheath
b nodes of ranvier
c axon terminals
d nucleus

Explanation:

• Myelin sheath: Insulating layer around axon (not the structure in arrow).
• Nodes of Ranvier: Gaps between myelin - covered segments on axon (matches the arrowed structure).
• Axon terminals: End - part of axon (not here).
• Nucleus: In cell body (not relevant to arrow).

Answer:

B. nodes of Ranvier