Chapter 13. Brain protection Flashcards
1
Q
What are cranial meninges
A
3 connectives tissue membranes
Dura mater
arachnoid mater
pia mater
2
Q
What is the dura matter cranial meninge?
A
Outer, thick layer that divides into 2: periosteal and meningeal
3
Q
what is the arachnoid mater cranial meninge?
A
the middle layer: thin web like membrane
4
Q
what is the pia mater cranial meninge?
A
the thinnest layer attached to the brain
5
Q
What are the two spaces that contain CSF and help protect the brain called?
A
Subdural space - small space between the dura mater and arachnoid mater
Subarachnoid space - larger space between the arachnoid mater and pia matter
6
Q
How does CSF form?
A
It forms through choroid plexuses in parts of walls of all 4 ventricles; includes blood capillaries and ependymal cells where most of the CSF is formed
7
Q
A
