Which glial cell produces myelin in the central nervous system?

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Multiple Choice

Which glial cell produces myelin in the central nervous system?

Explanation:
Oligodendrocytes wrap axons with myelin in the central nervous system, providing the insulating sheath that speeds nerve signals. Each oligodendrocyte can extend its processes to multiple axons, forming several myelin segments along different wires. This contrasts with Schwann cells in the peripheral nervous system, which typically myelinate a single axon segment. Ependymal cells line ventricular spaces and help circulate CSF, not myelination, and retinal tissue isn’t responsible for CNS myelin production. So the glial cell that produces CNS myelin is the oligodendrocyte.

Oligodendrocytes wrap axons with myelin in the central nervous system, providing the insulating sheath that speeds nerve signals. Each oligodendrocyte can extend its processes to multiple axons, forming several myelin segments along different wires. This contrasts with Schwann cells in the peripheral nervous system, which typically myelinate a single axon segment. Ependymal cells line ventricular spaces and help circulate CSF, not myelination, and retinal tissue isn’t responsible for CNS myelin production. So the glial cell that produces CNS myelin is the oligodendrocyte.

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