The cerebrospinal fibers, derived from the cells of the motor area of the
cerebral cortex,
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
The medulla oblongata or simply medulla is a long stem-like structure which makes up the lower part of the brainstem. It is anterior and partially inferior to the cerebellum. It is a cone-shaped neuronal mass responsible for autonomic (involun ...
.
References
Central nervous system
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