Cerebrospinal fibers explained

The cerebrospinal fibers, derived from the cells of the motor area of the cerebral cortex,^[1] occupy the middle three-fifths of the base; they are continued partly to the nuclei of the motor cranial nerves, but mainly into the pyramids of the medulla oblongata.

Notes and References

1. Hong . Chen. Yan . Zhang. Zhijun . Yang. Hongtian . Zhang. Human umbilical cord Wharton's jelly-derived oligodendrocyte precursor-like cells for axon and myelin sheath regeneration. Neural Regeneration Research. 8. 10. 890–899. 5 April 2013. 10.3969/j.issn.1673-5374.2013.10.003. 25206380 . 4145923.