DIFFERENCES BETWEEN MEDULLATED AND NON-MEDULLATED NERVE FIBRES
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1.
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Medullated (Myelinated) Nerve Fibres
Medullary sheath is present.
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Non-medullated (Nonmyelinated) Nerve Fibres
1. Medullary sheath is absent.
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2.
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They appear white in flesh state.
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2. They appear grey in flesh state.
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3.
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Nodes of Ranvier are present at intervals.
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3. Nodes of Ranvier are absent.
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4.
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Collateral nerve fibres are present.
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4. Collateral nerve fibres are absent.
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5.
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They are generally present in the white matter of brain
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5. They are present in autonomic nerves.
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and spinal cord and in cranial and spinal nerves.
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6.
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They carry impulses faster than non-
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6. They carry impulses slower than medullated
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medullated nerve fibres.
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nerve fibres.
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