Meninges Flashcards
3 layers of the meninges
- dura mater
- arachnoid mater
- pia mater
what are the major dura sheets
Falx cerebri (blood supply = Anterior + posterior meningeal AA),
Falx cerebelli,
Tentorium cerebelli,
Diaphragm sellae (medial clival artery)
what is major arachnoid cisterns
cisterna magna - largest
interpeduncular cisterna
Quadrigeminal cistern
Chiamatic cistern
Pontine cistern
what is arachnoid trabeculae
Forms structure to maintain this space where CBR is surrounding the brain.
what is arachnoid granulations
allow CSF to pass from the subarachnoid space into the venous system
Where is Falx cerebi
The midline of the brain separating the 2 hemispheres
where is the falx cerebelli
floor/ transverse of the brain
where is the tentorium falx
separates the occipital and temporal lobes
where is Diaphragma Sellae
Seperate’s pituitary gland
where is Cisterna Magma
the largest
between Medulla Anterior and Cerebellum Posterior
where is Pontine cistern
anterior to Pons
where is Chiasmatic cistern
below the hypothalamus
where is interpeduncular cistern
2 temporal lobes
where is quadrigeminal cistern
corpus callosum
