🧠 SET 34: White vs Gray Matter and 🔧 SET 35: Nerve Regeneration
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Last updated 8:25 PM on 4/2/26
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11 Terms
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What is white matter?
Myelinated axons
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What is gray matter?
Neuron cell bodies and unmyelinated axons
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What is the function of white matter?
Transmit signals
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What is the function of gray matter?
Process and integrate information
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Where is white matter found?
CNS tracts and PNS nerves
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Where is gray matter found?
CNS cortex/nuclei and PNS ganglia
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Can neurons regenerate?
Sometimes, but slowly and not perfectly
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How long can nerve regeneration take?
Up to 2 years
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Why is regeneration often imperfect?
Axons may reconnect incorrectly or die
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Can CNS neurons regenerate?
Usually no
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Why is PNS regeneration more successful?
Schwann cells assist repair
