Development Of Nervous System Part2

Question 1

What are the derivatives of neural tube?

Answer 1

The cephalic end of neural tube will give rise to 3 ballooning structures which will be future brain known as primary vesicles
1st swelling - procencephalon ( forebrain
2nd swelling - mesencephalon (midbrain
3rd swelling - rhomboncephalon ( hindbrain)

Question 2

In adult fully developed brain, which is the certain structure where the anterior neuropore closes?

Answer 2

Lamina terminalis

Question 3

Procencephalon vesicles?

Answer 3

It will give rise to two structures
1 is growing rapidly fast
Other is not
So there will be two visible vesicles
large and upper ( telencephalon
small and below ( diencephalon)