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Oligodendrocytes
Interfascicular oligodendrocytes, the second type, form the myelin sheath around axons in the CNS. Oligodendrocytes have small, dark nuclei compared with the larger, paler nuclei of fibrous astrocytes; the processes of both cells are not seen with routine staining. 1000x
![Oligodendrocytes > <p>An oligodendrocyte forms multiple internodal segments of myelin on multiple axons, in contrast to a Schwann cell which forms only one internode on one axon. Myelin in the CNS forms in an analogous fashion to that in the PNS, forming concentric wrappings around the axon.</p>](https://digitalhistology.org/wp-content/uploads/2017/05/T.N.SuppCNS-5-1-ping.png)
Oligodendrocytes >
An oligodendrocyte forms multiple internodal segments of myelin on multiple axons, in contrast to a Schwann cell which forms only one internode on one axon. Myelin in the CNS forms in an analogous fashion to that in the PNS, forming concentric wrappings around the axon.
![Astrocytes <p>Interfascicular oligodendrocytes, the second type, form the myelin sheath around axons in the CNS. Oligodendrocytes have small, dark nuclei compared with the larger, paler nuclei of fibrous astrocytes; the processes of both cells are not seen with routine staining. 1000x</p>](https://digitalhistology.org/wp-content/uploads/2017/05/T.N.SuppCNS-5-2-ping.png)
Astrocytes
Interfascicular oligodendrocytes, the second type, form the myelin sheath around axons in the CNS. Oligodendrocytes have small, dark nuclei compared with the larger, paler nuclei of fibrous astrocytes; the processes of both cells are not seen with routine staining. 1000x
![Myelinated axons <p>Interfascicular oligodendrocytes, the second type, form the myelin sheath around axons in the CNS. Oligodendrocytes have small, dark nuclei compared with the larger, paler nuclei of fibrous astrocytes; the processes of both cells are not seen with routine staining. 1000x</p>](https://digitalhistology.org/wp-content/uploads/2017/05/T.N.SuppCNS-5-3-ping.png)
Myelinated axons
Interfascicular oligodendrocytes, the second type, form the myelin sheath around axons in the CNS. Oligodendrocytes have small, dark nuclei compared with the larger, paler nuclei of fibrous astrocytes; the processes of both cells are not seen with routine staining. 1000x