Development Of Brain

Question 1

Brain vesicle

Answer 1

Brain vesicle is divided into 3 primary vesicles by 2 flexures

Question 2

3 primary vesicles

Answer 2

1. Forebrain (prosencephalon)
2. Midbrain (mesencephalon)
3. Hindbrain (rhombencephalon)

Question 3

2 flexures

Answer 3

1. Mesencephalic flexure in midbrain region
2. Cervical flexure between medulla and spinal cord

Question 4

Secondary brain vesicles

Answer 4

1. Prosencephalon
2. Mesencephalon
3. Rhombencephalon

Question 5

Prosencephalon

Answer 5

Subdivided by optic vesicle into:
1. Telencephalon (cerebrum)
2. Diencephalon

Question 6

Rhombencephalon

Answer 6

Subdivided into:
1. Metencephalon (pons and cerebellum)
2. Mylencephalon (medulla oblongata

Question 7

Pontine flexure

Answer 7

Lies at position of pons