Week 1: Station 6 - Meninges and Dural Folds

Question 1

What fluid circulates in the subarachnoid space?

Answer 1

CSF

Question 2

What other structures are present in the subarachnoid space?

Answer 2

A fine connective tissue trabecula

Question 3

What is this and what does it seperate?

Answer 3

Falx cerebri

Seperates the hemispheres

Question 4

What does the falx cerebri attach to anteriorly?

Answer 4

Crista gali

Question 5

Identify

Answer 5

Tentorium cerebelli

• Seperates the cerebrum (occipital lobes) and cerebellum

Question 6

Identify the sinus that runs between the attachement of the falx cerebri to the tentorium cerebelli?

Answer 6

Straight sinus

Question 7

What is the name of the dural fold that seperates the 2 cerebelli

Answer 7

Falx cerebelli

Question 8

What is the name of the dural fold that surrounds the pituitary stalk?

Answer 8

Diaphragma sella

Question 9

What is the arterial supply of the dura?

Answer 9

Branches of ICA, ECA and vertebral arteries

Question 10

Through which foramen does the middle meningeal artery enter the cranial cavity?

Answer 10

Foramen spinosum