Which of the following does not impede the regeneration of CNS axons?

A. Scar tissue may form, obstructing regrowth.
B. Oligodendrocytes do not release a nerve growth factor.
C. CNS axons lack the myelin sheath needed for regeneration.
D. No exceptions; all of the choices impede axon regeneration.


Answer: C

Anatomy & Physiology

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