Meninges and CSF Pathways

Question 0

Dense, strong, fibrous membrane

Encloses the spinal cord and cauda equina

Answer 0

Spinal dura mater

Question 1

Potential space
Only expands and gets filled with CSF at special situations (when we age, subdural hematoma, middle meningeal artery lacerated)

Answer 1

Sub-dural space

Question 2

Where CSF is

Answer 2

Thecal sac

Question 3

Lumbar puncture in children?

Answer 3

L4 and L5

Question 4

Layers of the scalp

Answer 4

Skin
Subcutaneous fat
Aponeurosis
Loose areolar/connective tissue
Periosteum
Dura
Arachnoid
Pia

Question 5

Pachymeninx

Answer 5

aka Cerebral Dura Mater

Question 6

Divides the brain into right and left hemisphere

Answer 6

Falx cerebri

Question 7

Divides the cerebrum and cerebellum

Answer 7

Tentorium cerebri

Hole where the midbrain, brain stem comes in: Tectorial notch

Question 8

Lies between the cerebellar hemisphere

Answer 8

Falx cerebelli

Question 9

Forms roof of the sella

Answer 9

Diaphragma sellae

Question 10

Sinus attached to the crista gallis

Answer 10

Superior sagittal sinus

Know the transverse sinus -> sigmoid sinus

Question 11

Where superior sagittal, temporal and straight sinus meet

Answer 11

Confluence of sinuses

Question 12

Aneurysm in ICA in cavernous sinus, which nerve gets affected?

Answer 12

Abducent, CN VI

Question 13

Pia ang pumapasok sa sulci

Answer 13

Arachnoid just drains / covers?

Question 14

How many cc of CSF in the brain?

Answer 14

150

Rate of production: ?

Question 15

Choroid plexus

Answer 15

Where CSF is produced

Arachnoid villi: drains CSF

Question 16

Aqueductal stenosis leads to…

There is build-up of fluid in the ventricles

Answer 16

Hydrocephalus

Question 17

Know about:

Answer 17

Blood brain barrier