Which glial cell produces myelin in the peripheral nervous system?

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Multiple Choice

Which glial cell produces myelin in the peripheral nervous system?

Explanation:
Schwann cells produce myelin in the peripheral nervous system. They wrap around a single axon segment to form the myelin sheath, insulation that speeds nerve impulses through saltatory conduction. In the CNS, myelination is done by oligodendrocytes, which can enwrap multiple axons. The retina isn’t a myelinating glial cell, and ependymal cells line brain ventricles and contribute to CSF dynamics rather than myelination. So, the peripheral glial cell responsible for myelin is Schwann cells.

Schwann cells produce myelin in the peripheral nervous system. They wrap around a single axon segment to form the myelin sheath, insulation that speeds nerve impulses through saltatory conduction. In the CNS, myelination is done by oligodendrocytes, which can enwrap multiple axons. The retina isn’t a myelinating glial cell, and ependymal cells line brain ventricles and contribute to CSF dynamics rather than myelination. So, the peripheral glial cell responsible for myelin is Schwann cells.

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