![This is blank.](https://digitalhistology.org/wp-content/themes/histology-unified/imgs/trans.png)
Oligodendrocytes
This section of developing rat spinal cord shows a multipolar, motor neuron surrounded by oligodendrocytes and astrocytes. The oligodendrocyte nuclei are smaller and more heterochromatic than are astrocyte nuclei. 1000x
![Oligodendrocytes > <p>Because this is a section of developing rat spinal cord, some of the oligodendrocytes are still immature (red arrows). In these cells, the nuclei are larger and more euchromatic and the cytoplasm is more extensive than that in the more mature oligodendrocytes (yellow arrows). Also visible are the pale-staining nuclei of astrocytes.</p>](https://digitalhistology.org/wp-content/uploads/2017/05/T.N.SuppCNS-4-1-ping.png)
Oligodendrocytes >
Because this is a section of developing rat spinal cord, some of the oligodendrocytes are still immature (red arrows). In these cells, the nuclei are larger and more euchromatic and the cytoplasm is more extensive than that in the more mature oligodendrocytes (yellow arrows). Also visible are the pale-staining nuclei of astrocytes.
![Astrocytes <p>Because this is a section of developing rat spinal cord, some of the oligodendrocytes are still immature (red arrows). In these cells, the nuclei are larger and more euchromatic and the cytoplasm is more extensive than that in the more mature oligodendrocytes (yellow arrows). Also visible are the pale-staining nuclei of astrocytes.</p>](https://digitalhistology.org/wp-content/uploads/2017/05/T.N.SuppCNS-4-2-ping.png)
Astrocytes
Because this is a section of developing rat spinal cord, some of the oligodendrocytes are still immature (red arrows). In these cells, the nuclei are larger and more euchromatic and the cytoplasm is more extensive than that in the more mature oligodendrocytes (yellow arrows). Also visible are the pale-staining nuclei of astrocytes.
![Myelinated axons <p>Because this is a section of developing rat spinal cord, some of the oligodendrocytes are still immature (red arrows). In these cells, the nuclei are larger and more euchromatic and the cytoplasm is more extensive than that in the more mature oligodendrocytes (yellow arrows). Also visible are the pale-staining nuclei of astrocytes.</p>](https://digitalhistology.org/wp-content/uploads/2017/05/T.N.SuppCNS-4-3-ping.png)
Myelinated axons
Because this is a section of developing rat spinal cord, some of the oligodendrocytes are still immature (red arrows). In these cells, the nuclei are larger and more euchromatic and the cytoplasm is more extensive than that in the more mature oligodendrocytes (yellow arrows). Also visible are the pale-staining nuclei of astrocytes.
![Multipolar neuron <p>Because this is a section of developing rat spinal cord, some of the oligodendrocytes are still immature (red arrows). In these cells, the nuclei are larger and more euchromatic and the cytoplasm is more extensive than that in the more mature oligodendrocytes (yellow arrows). Also visible are the pale-staining nuclei of astrocytes.</p>](https://digitalhistology.org/wp-content/uploads/2017/05/T.N.SuppCNS-4-4-ping.png)
Multipolar neuron
Because this is a section of developing rat spinal cord, some of the oligodendrocytes are still immature (red arrows). In these cells, the nuclei are larger and more euchromatic and the cytoplasm is more extensive than that in the more mature oligodendrocytes (yellow arrows). Also visible are the pale-staining nuclei of astrocytes.
![- Dendrites <p>Because this is a section of developing rat spinal cord, some of the oligodendrocytes are still immature (red arrows). In these cells, the nuclei are larger and more euchromatic and the cytoplasm is more extensive than that in the more mature oligodendrocytes (yellow arrows). Also visible are the pale-staining nuclei of astrocytes.</p>](https://digitalhistology.org/wp-content/uploads/2023/04/T.N.SuppCNS-4-5-ping.png)
- Dendrites
Because this is a section of developing rat spinal cord, some of the oligodendrocytes are still immature (red arrows). In these cells, the nuclei are larger and more euchromatic and the cytoplasm is more extensive than that in the more mature oligodendrocytes (yellow arrows). Also visible are the pale-staining nuclei of astrocytes.
![- Nissl bodies <p>Because this is a section of developing rat spinal cord, some of the oligodendrocytes are still immature (red arrows). In these cells, the nuclei are larger and more euchromatic and the cytoplasm is more extensive than that in the more mature oligodendrocytes (yellow arrows). Also visible are the pale-staining nuclei of astrocytes.</p>](https://digitalhistology.org/wp-content/uploads/2023/04/T.N.SuppCNS-4-6-ping.png)
- Nissl bodies
Because this is a section of developing rat spinal cord, some of the oligodendrocytes are still immature (red arrows). In these cells, the nuclei are larger and more euchromatic and the cytoplasm is more extensive than that in the more mature oligodendrocytes (yellow arrows). Also visible are the pale-staining nuclei of astrocytes.