Anatomy
In terms of development, the human nervous system is often classified based on the original 3 primitive vesicles from which it develops: These primary vesicles form in the normal development of the neural tube of the human fetus and initially include prosencephalon, mesencephalon, and rhombencephalon, in rostral to caudal (from head to toe) orientation. Later in development of the nervous system each section itself turns into smaller components. The following table demonstrates this developmental classification and traces it to the anatomic structures found in the basal ganglia (the structures relevant to the basal ganglia are shown in bold):
| Primary division of the neural tube |
Secondary subdivision |
Final segments in a human adult |
| Prosencephalon |
- Telencephalon
Read more about this topic: Basal Ganglia
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—Ralph Waldo Emerson (1803–1882)
“I love to see, when leaves depart,
The clear anatomy arrive,”
—Roy Campbell (1902–1957)
“But a man must keep an eye on his servants, if he would not have them rule him. Man is a shrewd inventor, and is ever taking the hint of a new machine from his own structure, adapting some secret of his own anatomy in iron, wood, and leather, to some required function in the work of the world. But it is found that the machine unmans the user. What he gains in making cloth, he loses in general power.”
—Ralph Waldo Emerson (1803–1882)
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