Development Of CNS

Question 1

Where does the brain develop from ?

Answer 1

The Enlarged part of the neural tube

Question 2

At what week does the Enlarged cephalic part of the neural tube show vesicles ?

Answer 2

4th week

Question 3

How many flexure does the primitive brain have ?

Answer 3

3

Question 4

Craniocaudally, mention the primary brain vesicles

Answer 4

1) Prosencephalon
2) mesencephalon
3) rhombencephalon

Question 5

The cavities of the brain vesicles form the ventricles in the adult brain. True or false ?

Answer 5

True

Question 6

What vesicles divide to give secondary brain vesicles and when ?

Answer 6

Prosencephalon and rhombencephalon during the 5th week

Question 7

The Prosencephalon is also known as ?

Answer 7

The forebrain

Question 8

Flexures of the brain ?

Answer 8

1) pontine flexure at the middle of the rhombencephalon
2) cervical flexure at the junction of of rhombencephalon and spinal coed
3) cephalic ( mesencephalic ) flexure in the region of midbrain

Question 9

The rhombencephalon is also known as ?

Answer 9

The hindbrain