The myelin sheaths that surround the axons of some of the neurons in the CNS are formed by
A) astrocytes.
B) Schwann cells.
C) oligodendrocytes.
D) microglia.
E) ependymal cells.

The myelin sheath is the protein-fat rich layer around the neurons which helps in the protection and insulation of the neurons to transmit signals at a faster rate.

The myelin sheath in both CNS and PNS are formed by the wrapping of the cells around the neurons. These cells which wrap around the neurons differ in CNS and PNS as the myelin sheath in CNS is formed by the oligodendrocytes whereas in PNS by the Schwann cells.

Thus, option- C is the correct answer.

The myelin sheaths that surround the axons of some of the neurons in the CNS are formed by A) astrocytes. B) Schwann cells. C) oligodendrocytes. D) microglia. E) ependymal cells.

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The myelin sheaths that surround the axons of some of the neurons in the CNS are formed by
A) astrocytes.
B) Schwann cells.
C) oligodendrocytes.
D) microglia.
E) ependymal cells.