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Flashcards in Meninges Deck (13)
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1

What are dural venous sinuses?

Areas where the 2 layers of dura (periosteal and meningeal) SEPARATE to form channels

2

Meningeal coverings from most interior to most exterior

Pia mater, arachnoid, meningeal dura, periosteal dura

3

Real and potential spaces (interior to exterior)

Subarachnoid (real) -- between pia and arachnoid; subdural (potential) between arachnoid and meningeal dura; epidural (potential) between skull and periosteal dura

4

Falx cerebri

Fold of dura between cerebral hemispheres: has superior sagittal and inferior sagittal sinuses

5

Tentorium cerebelli

Fold of dura between cerebrum and cerebellum

6

Falx cerebelli

fold of dura between cerebellar hemispheres

7

Diaphragma sellae

Fold of dura covering pituitary fossa

8

Which two layers separate to form venous sinuses?

Periosteal and meningeal dura

9

How many sinuses are there?

9:

Superior sagittal sinus

Inferior sagittal sinus

Straight sinus

Transverse sinus

Sigmoid sinus

Cavernous sinus

Sphenoparietal sinus

Petrosal sinuses

Occipital sinus

10

Where is the confluene of sinuses?

posterior pole

11

Which vein does venous blood ultimately drain into?

Internal jugular

12

Describe the flow of venous blood in the brain

13