Meninges Flashcards
1
Q
Dura mater overview
A
- provides mechanical strength
- no space on either side (normally)
- contains venous sinuses
- pain senstive
2
Q
Arachnoid overview
A
- subarachnoid space filled with CSF and has cerebral arteries and veins
- CSF enters venous system through arachnoid villi
3
Q
Pia Mater overview
A
- pushed against astroctye feet at CNS surface
- pia thickening = denticulate ligament & filum terminale
4
Q
Spinal canal meninges location
A
-Located between peristeum & dura
5
Q
Contents of Choroid Plexus
A
Epithelium
capillary
Pia
6
Q
Path CSF travels
A
blood from choroid capillary – pia – choroid epithelia – ventricle — lateral to 3rd (monroe) – 3rd to 4th (aqueduct) – Luschka & Magendie — subarachnoid space – arachnoid villi – dural sinuses – superior saggital – internal jugular
7
Q
Circumventricular Organs
A
Sensory - Area postrema
Secretion - Posterior Pituitary
