Which cranial nerve's fibers are myelinated by oligodendrocytes?
The fibers of the optic nerve (CN II) are myelinated by oligodendrocytes. This is an impoant distinction from the Other cranial nerves ( myelinated by Schwann cells) because the optic nerve is considered a tract of the central nervous system
I
II
III
VII
Brainstem, cerebellum and ventricles