Meninges and CSF Pathways Flashcards Preview

OS 202 > Meninges and CSF Pathways > Flashcards

Flashcards in Meninges and CSF Pathways Deck (18)
Loading flashcards...
0
Q

Dense, strong, fibrous membrane

Encloses the spinal cord and cauda equina

A

Spinal dura mater

1
Q

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

A

Sub-dural space

2
Q

Where CSF is

A

Thecal sac

3
Q

Lumbar puncture in children?

A

L4 and L5

4
Q

Layers of the scalp

A
Skin
Subcutaneous fat
Aponeurosis
Loose areolar/connective tissue
Periosteum
Dura
Arachnoid
Pia
5
Q

Pachymeninx

A

aka Cerebral Dura Mater

6
Q

Divides the brain into right and left hemisphere

A

Falx cerebri

7
Q

Divides the cerebrum and cerebellum

A

Tentorium cerebri

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

8
Q

Lies between the cerebellar hemisphere

A

Falx cerebelli

9
Q

Forms roof of the sella

A

Diaphragma sellae

10
Q

Sinus attached to the crista gallis

A

Superior sagittal sinus

Know the transverse sinus -> sigmoid sinus

11
Q

Where superior sagittal, temporal and straight sinus meet

A

Confluence of sinuses

12
Q

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

A

Abducent, CN VI

13
Q

Pia ang pumapasok sa sulci

A

Arachnoid just drains / covers?

14
Q

How many cc of CSF in the brain?

A

150

Rate of production: ?

15
Q

Choroid plexus

A

Where CSF is produced

Arachnoid villi: drains CSF

16
Q

Aqueductal stenosis leads to…

There is build-up of fluid in the ventricles

A

Hydrocephalus

17
Q

Know about:

A

Blood brain barrier