Chapter 4; meninges

Question 1

Dura mater

Answer 1

provides mechanical strength
normally adheres to Skull and arachnoid mater
has its own blood supply
senses pain

Question 2

epidural space

Answer 2

between cranium and dura mater
POTENTIAL space
can have swelling, but inherently doesn’t form space

Question 3

subdural

Answer 3

between dura and arachnoid

Question 4

Dural separations

Answer 4

the innner layers separate and form breaks in the brain

Question 5

dural venus sinuses

Answer 5

help drain the brain
cerebral veins empty here
superior sagital sinus- punctured by arachnoid villi

Question 6

Arachnoid mater

Answer 6

middle layer of meninges
web-like look to it
forms a barrier around the brain

Question 7

subarachnoid space

Answer 7

filled with CSF
only substantially filled fluid space outside fo teh brain
large regions of this are subarachnoid cisternae
CSF enters blood stream through arachnoid villi

Question 8

Pia mater

Answer 8

thin layer covering the CNS
basically impossible to separate from it