NERVOUS SYSTEM 1 & 2

Question 1

What are the layers surrounding the Brain?

Answer 1

Dura mater, Arachnoid mater, Pia mater

Question 2

Describe the dura mater

Answer 2

Dura mater is the leathery bag encasing the Brain. It has its own nerve and vascular supply. It is divided into two layers: Periosteal and meningeal. The bottom part (meningeal) dips down between the two brain hemispheres

Question 3

What is the falx cerebri?

Answer 3

It is the meningeal layer of the dura mater that dips down between the two brain hemispheres

Question 4

What is the venous sinus?

Answer 4

The triangular part in the brain that is made by the falx cerebri of the meningeal layer of the dura mater.

Question 5

Describe arachnoid mater

Answer 5

Second layer of the brain sac. Here, there is a subarachnoid space

Question 6

Describe the Pia mater

Answer 6

Third layer covering the brain, innermost. It follows the curvature of the brain