Blood supply of the B B BRAIN Flashcards
What does the anterior cerebral artery supply?
Medial surface of: primary motor and sensory cortices
-Leg and Foot
What does the middle cerebral artery supply?
lateral cortex: primary motor and sensory cortices
- broca’s and wernicke’s
- primary auditory cortex/ superotemporal lobe
- insula
What do the lenticulostriates supply?
- basal ganglia
- amygdala
- internal capsule
- anterior thalamus
What would a lesion to the lenticulostriates cause?
-involuntary movements (basal ganglia)
-head-to-toe motor and sensory deficits
including visual fields- contra half (internal capsule)
What does the anterior choroidal artery supply?
- hippocampus
- posterior limb of internal capsule
- optic chiasm and tract
What does the PICA supply?
- medial cerebellum
- cerebellar cortex
- dorsolateral medulla
What would a PICA infarction lead to?
- loss of facial pain
- hoarseness
- imbalance, vertigo - ipsilaterally
- *CN 9 and 10
- opposite sided protopathic loss for face and body
What does the anterior spinal artery supply?
ventral spinal cord - pain and temp
medial medulla - CN 12 nucleus
What do the pontine branches supply?
- pons:
- corticospinal tract
- CN 6 and 7 - anterior midbrain
- crus cerebri
What does the superior cerebellar artery supply?
superior cerebellum
Dorsolateral corner of rostral pons
What does the posterior cerebral artery supply?
- occipital lobe
- medial portions of parietal and temporal -memory
- thalamus
- midbrain
What would an infarct of the posterior cerebral artery cause?
- Unilateral:
- hemianopia and alexia - Bilateral:
blindness, memory loss, sensory loss
coma and death
What do the posterior choroidals supply?
midbrain
What does the posterior communicating arteries supply?
- anterior midbrain
- crus cerebri
- thalamus
What would an infarct of the posterior communicating arteries cause?
- paresis
- coma
- death
