spinal cord Flashcards
layers of the meninges
dura
arachnoid
Pia
at what level does the spinal cord end?
In adults: L1/L2
In children: L3/L4
At what level does the dura mater and the arachnoid end?
S2
What is found between the end of the spinal cord and the end of the dura/arachnoid?
CSF
Cauda equina
Filum terminale
What makes up the filum terminal
pia mater
At what level is a lumbar puncture performed?
L3/L4
How many pair of spinal nerves?
31
What does the subarachnoid space contain
- CSF
- Vertebral arteries
- Trabecular tissue
What does the subdural space contain?
Blood vessels
What is the falx cerebra
Fold of dura mater which subdivides the two hemispheres of the cerebrum
What does the falx cerebra attach to anteriorely
The crista galli and the frontal crest process
What runs above and below the falx cerebra
Superior sagittal sinus runs above it
Inferior sagittal sinus runs below it
What is the tentorium cerebelli
Fold of dura mater which runs over the cerebellum
where does the tentorium cerebelli attach?
It attaches to the clinoid process of the sphenoid
Which sinus run between the tentorium cerebella and the falx cerebra
The straight sinus
