Which glial cell primarily produces myelin in the central nervous system?

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Multiple Choice

Which glial cell primarily produces myelin in the central nervous system?

Explanation:
In the central nervous system, myelin is produced by oligodendrocytes. These glial cells extend their processes to wrap around multiple axons, forming the myelin sheath that speeds up nerve signaling through saltatory conduction. Schwann cells perform the same role in the peripheral nervous system, each wrapping a single axon segment. Astrocytes support neurons and maintain the brain environment, while microglia act as immune cells; neither forms CNS myelin.

In the central nervous system, myelin is produced by oligodendrocytes. These glial cells extend their processes to wrap around multiple axons, forming the myelin sheath that speeds up nerve signaling through saltatory conduction. Schwann cells perform the same role in the peripheral nervous system, each wrapping a single axon segment. Astrocytes support neurons and maintain the brain environment, while microglia act as immune cells; neither forms CNS myelin.

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