Development of the CNS Flashcards
1
Q
Which of the three germ layers underpins the CNS?
A
Ectoderm (& neuroectoderm)
2
Q
What is “Neurulation”?
A
The formation of the neural tube
3
Q
What is the 4th germ layer?
A
Neural crest cells (NCCs)
4
Q
The neural tube regionalises into three primary vesicles - what are they called?
A
Forebrain (Prosencephalon)
Midbrain (Mesencephalon)
Hindbrain (Rhombencephalon)
5
Q
The Forebrain (Prosencephalon) divides into two vesicles - what are they called?
A
Telencephalon
Diencephalon
6
Q
State three important foldings of the Neural Tube
A
Cranial Flexure
Cervical Flexure
Pontine Flexure
7
Q
The 3rd ventricle is located in which region of the embryonic brain?
A
Mesencephalon (Midbrain)
8
Q
The 4th ventricle is located in which region of the embryonic brain?
A
Rhombencephalon (Hindbrain)
