The Brain (Brain Layers)

Question 1

What are the three meninges that envelop the brain?

Answer 1

1. Dura Mater
2. Arachnoid Mater
3. Pia Mater

Question 2

What three structures make up ther dura mater.

Answer 2

1. Periosteal layer
2. Superior sagittal sinus
3. Meningeal layer

Question 3

Define the dura mater.

Answer 3

The most superficial meningeal layer; directly under cranial bone.

Question 4

Define the periosteal and meningeal layers of the dura mater.

Answer 4

Periosteal: most superficial layer; firmly adhered to the meningeal layer.
Meningeal: most deep layer; adjacent to the arachnoid mater

Question 5

Define a superior sagittal sinus?

Answer 5

Space parting the periosteal and meningeal layers. It is filled with Venus blood.