L08 Blood Supply of the Brain Flashcards Preview

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Flashcards in L08 Blood Supply of the Brain Deck (25):
1

go find a brain and name all the vascular territories on lateral and medial sides.

good job.

2

ICA enters the skull through which hole?

carotid canals

3

what's the carotid siphon?

when the carotid bends as it enters the skull, and proceeds along the cavernous sinus

4

why do the vertebral arteries kink as they enter the braincase?

as they come through the vertebral foramina, they have to bend to travel to the foramen magnum.

5

basiliar artery lies on which structure?

anterior pons.

6

circle of willis includes which arteries?

2xACA
1xAComm
2xMCA
2xPComm
2xPCA

7

the anterior cerebral artery divides into which two arteries?

pericallosal (inf) and callosomarginal (sup)

8

the ACA supplies which surface and pole of the brain?

medial surface and frontal pole

9

the MCA supplies which surface and pole of the brain?

superior-lateral surface and temporal pole

10

the PCA supplies which surface and pole of the brain?

inferior surface and occipital pole

11

ICA fill arteriogram includes which arteries?

ACA, MCA, +branches

12

VA fill arteriogram includes which arteries?

vertebral, basilar, PCA, +branches

13

what's the term for the borders of vascular terriories?

watershed areas

14

what supplies the midbrain?

PCA

15

name a numerous and a single type of artery that supplies the anterior spinal artery with boosts in blood supply.

anterior segmental medullary arteries
great anterior segmental medullary artery of adamkiewicz.
(posterior segmental medullary arteries in the back)

16

which arteries supply the nerve roots but not the spinal cord?

radicular arteries.
spinal branches will go off to supply the cord itself

17

which veins run around the corpus callosum?

inferior sagittal sinus (sup)
internal cerebral vein (inf)

18

which vein runs into the lateral fissure?

middle anastomotic vein

19

common vessel torn in epidural hematoma

middle meningeal

20

common vessel torn in subdural hematoma

cerebral vein, as it crosses the subdural space

21

common vessel torn in subarachnoid hemorrhage

A/M/P cerebral artery

22

name the top 2 causes of subarachnoid hemorrhage

trauma and ruptured aneurysm

23

PICA is a branch of what?

vertebral

24

AICA is a branch of what?

basilar (at the pontomedullary junction)

25

the superior cerebellar artery is a branch of what?

basilar (at the midbrain-pons junction)