Meninges Flashcards
1
Q
What are the meningeal layers ?
A
- Skull
- Dura Matter (outer periosteal and inner meningeal layer).
- Arachnoid mater
- Subarachnoid space (contains blood vessels and CSF)
- Pia Matter
-Brain
2
Q
What are the two divisions of the dura matter?
A
Outer periosteal layer (attached to skull)
and inner meningeal layer
3
Q
What meninge is attached to the brain itself and enters all the grooves and fissures of the brian ?
A
Pia matter
4
Q
What does the subarachnoid space contain ?
A
Blood vessels and CSF.
5
Q
Where does the dura matter get its blood supply from?
A
Middle meningeal artery
6
Q
What are the three main three types of haematoma/haemorrhage?
A
- Extradural/epidural
- Subdural
- Subarachnoid - busting of vessels
7
Q
If there is a intercranial pressure, where is the first place the brain is going to move to ?
A
It will begin to herniate through the foramen magnum. This is dangerous because this is where the medulla and pons are, etc..
8
Q
What is the technical term for intracranial herniation?
A
conning
