Central Nervous System Axons Regenerate Much Better in Fish Than

question 169

Multiple Choice

Central nervous system axons regenerate much better in fish than in mammals because fish:

• A) nerves do not have to travel so far to reach their target.
• B) myelin does not secrete proteins that inhibit axon growth.
• C) nerves have so much more myelin than do mammal nerves.
• D) myelin secretes a protein that accelerates regeneration.

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