Cisterns: Enlaraged Subarachnoid Spaces Flashcards
1
Q
Cerebellomedullary Cistern
A
AKA cisterns magna
Spans space over the cerebellum and the part of medulla
2
Q
Pontine Cistern
A
Lies over the pons
3
Q
Interpeduncular cistern
A
Lies over interpeduncular fossa (ventral brain surface)
Circle of Willis lies in this particular space
4
Q
Lumbar Cistern
A
Enlarged Spcae at vertebral levels L1-S2.
Spinal taps occur here
Cauda equina or horse tail lies here
