Meninges

Question 1

Epidural Space

Answer 1

A space between dura mater and bone that is not typically actually present unless there is an issue such as bleeding, thus is a POTENTIAL SPACE

Question 2

Falx cerebri

Answer 2

Dural Extensions- vertically partitioning the cranial cavity between 2 hemispheres (in interhemispheric fissure)

Question 3

subarachnoid space

Answer 3

where CSF is stored

Question 4

subdural space

Answer 4

A space below the dura mater/ above arachnoid mater , is a POTENTIAL space

Question 5

tentorium cerebelli

Answer 5

One of 3 septa of the dura mater of the meninges.
Attaches to falx cerebri, shape of a tent
B/w cerebellum, basal surface of temperal and occipital lobes
Seperates brainstem from cortex

Question 6

tentorial notch

Answer 6

Opening for brainstem exit ,present in tentorium

Question 7

What are the layers of the meninges?

Answer 7

Dura mater (tough), arachnoid membrane, pia mater

Question 8

What are the two layers of the dura mater?

Answer 8

External periosteal, internal meningeal

Question 9

Septa of the internal meningeal layer of the dural mater

Answer 9

Tentorium cerebelli, falx cerebri, falx cerebelli

Question 10

CSF drains into vascular system through the…

Answer 10

arachnoid granulations(villi) (originate in arachnoid, pushes through dura mater(falx cerebri), primarily at superior sagittal sinus)