Cerebrospinal fibers

{{Short description|Derived from the cells of the motor area of the cerebral cortex}}

{{Use American English|date=March 2021}}

{{Use dmy dates|date=March 2021}}

{{Infobox brain

| Name = Cerebrospinal fibers

| Latin = fibrae cerebrospinales

| Image = Gray710.png

| Caption = Coronal section through mid-brain. {{ordered list |style=text-align: left;

|1=Corpora quadrigemina.

|2=Cerebral aqueduct.

|3=Central gray stratum.

|4=Interpeduncular space.

|5=Sulcus lateralis.

|6=Substantia nigra.

|7=Red nucleus of tegmentum.

|8=Oculomotor nerve, with 8’, its nucleus of origin

}}{{ordered list |list_style_type=lower-alpha |style=text-align: left;

|1=Lemniscus (in blue) with a’ the medial lemniscus and a" the lateral lemniscus

|2=Medial longitudinal fasciculus

|3=Raphé

|4=Temporopontine fibers

|5=Portion of medial lemniscus, which runs to the lentiform nucleus and insula

|6=Cerebrospinal fibers

|7=Frontopontine fibers

}}

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The cerebrospinal fibers, derived from the cells of the motor area of the cerebral cortex,{{cite journal|first1=Hong |last1=Chen|first2= Yan |last2=Zhang|first3= Zhijun |last3=Yang|first4= Hongtian |last4=Zhang|title=Human umbilical cord Wharton's jelly-derived oligodendrocyte precursor-like cells for axon and myelin sheath regeneration|journal=Neural Regeneration Research|volume=8|issue=10|pages=890–899|date=5 April 2013|doi=10.3969/j.issn.1673-5374.2013.10.003|pmid=25206380 |pmc=4145923}} 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.