Meninges Flashcards
what is the function of the meninges
to stabilize and protect the brain and spinal cord
what are the reflections of the dura called
falx cerebri and tentorium cerebelli
where does the falx cerebri attach
anterior to the crista galli, posterior to the tentorium cereblli, and occupies longitudinal fissure
what does the tentorium cerebelli seperate
the cerebellum from the occipital lobes
what are the dural sinuses
venous channels formed by the separation of the 2 layers of the dura, no valves, cerebral veins empty into
where is the subarachnoid space and what does it contain
arachnoid and pia, CSF
Epidural hematoma
between dura and skull, rapid onset, lens-shaped, meningeal artery
subdural hematoma
between dura and arachnoid, sickle shaped, cerebral vein
subarachnoid hemorrhage
bleeding of arteries into subarachnoid space, most common, fills in sulci
meningitis
viral or bacterial infection of pia and arachnoid