Neuro A&P- meninges

Question 1

Dura Matter

Answer 1

consist of 2 layers that closely are united, fibrous layers

Question 2

external periosteal

Answer 2

attaches to the interior surface of the cranium

Question 3

internal meningeal

Answer 3

is a protective layer that forms the complex folds of cerebrum and cerebellum

Question 4

Arachnoid mater

Answer 4

• a thin, non-vascular membrane that surrounds the sulci and folds of the brain
• it bridges the area between dura mater and pia mater, but within this space, we have distinctive structures

Question 5

Pia Matter

Answer 5

• thin transparent, collagenous membrane; closely attached to the surface of the brain
• interwoven with a network of arteries/veins- why is this a good thing?
• it closely surrounds the perivascular space

Question 6

Subarachnoid space

Answer 6

filled with CSF as it surrounds the spinal cord