Meninges & Dural folds

Question 1

Name the 3 layers that surround the brain and spinal cord

Answer 1

Pia mater, arachnoid mater and dura mater

Question 2

What is in the subarachnoid space?

Answer 2

CSF and cerebral vessels

Question 3

What are the 2 layers of the dura?

Answer 3

Periosteal and meningeal

Question 4

What 2 structures can the layers of dura form?

Answer 4

Dural folds and venous sinuses

Question 5

Name 2 dural folds

Answer 5

Falx cerebri and Tentorium cerebelli

Question 6

What is a dural venous sinus?

Answer 6

Venous blood filled spaces created by separation of the meningeal from periosteal layer of dura

Question 7

How do cerebral veins drain into a sinus?

Answer 7

Bridging veins transverse the subdural space

Question 8

What vessels connect the scalp to the dural venous sinuses?

Answer 8

Emissary veins that transverse through the skull

Question 9

What is an extradural haemorrhage?

Answer 9

Arterial bleed between the table of the bone and periosteum

Question 10

What is a subdural haemorrhage?

Answer 10

Venous bleed usually from bridging veins

Question 11

What is a subarachnoid haemorrhage?

Answer 11

Arterial bleed secondary to trauma or rupture of an aneurysm. Sudden and often fatal.