Brain Vasculature Flashcards
What are the two major arteries supplying the brain?
internal carotid
vertebral arteries
The basilar artery is made up of what?
two vertebral arteries
4 branches of internal carotid artery
- anterior cerebral
- middle cerebral
- anterior choroidal
- posterior communitating
What are the major branches coming of each vertebral artery?
- posterior spinal artery
- posterior inferior cerebellar artery
- anterior spinal artery
What are the major branches coming off the basilar artery?
- posterior cerebral
- superior cerebellar
Where does the anterior cerebral artery run?
right over corpus collosum
Where does the middle cerebral artery run?
into insular cortex (through lateral fissure)
What three important brain regions does the middle cerebral artery supply in the case of a stroke?
- motor cortex
- somatosensory cortex
- Broca’s area
The posterior cerebral artery gives rise to which artery supplying important vision areas?
calcarine artery
A stroke in a calcarine artery may cause what type of deficit?
vision loss
Infarction of the posterior inferior cerebral artery causes what condition?
lateral medullary syndrome
What is lateral medullary syndrome?
infarction of PICA: ipsilateral facial numbness and contralateral limb numbness
What vein drains the lateral and third ventricles?
internal cerebral vein
The internal cerebral vein becomes what vein before draining into the straight dural venous sinus?
great cerebral vein
