Blood supply in the brain Flashcards
What structures do the Superficial Anterior cerebral arteries supply
primary motor cortex (lower limb);
supplementary motor cortex;
primary somatosensory cortex (lower limb);
prefrontal cortex
What structures do the Deep Anterior cerebral arteries supply
Anterior limb of internal capsule
What structures do the Superficial Middle cerebral arteries supply
primary motor cortex (head, neck, upper limb, trunk); supplementary motor cortex;
primary somatosensory cortex (head, neck, upper limb, trunk);
left MCA = Broca’s area & Wernicke’s area
What structures do the Deep Middle cerebral arteries supply
Basal Ganglia
Anterior limb and genu of internal capsule
What structures do the Anterior choroidal artery supply
genu & posterior limb internal capsule;
some basal ganglia;
limbic structures;
optic tract
What structures do the Superficial posterior cerebral arteries supply
primary & secondary visual cortices;
splenium of corpus callosum;
inferior & medial temporal lobe / limbic structures
What structures do the deep cerebral arteries supply?
Thalamus
Posterior limb of internal capsule
Where does the anterior cerebral artery run?
Longitudinal fissure, Corpus Callosum
Where does the middle cerebral artery run?
Lateral sulcus
Where does the Posterior cerebral artery run?
Cerebral peduncle, into transverse fissure on base of temporal and occipital lobes
Where does vertebral artery run?
Medulla
Where does basilar artery run?
Anterior surface of pons
What are the structures that make up the circle of willis? (Anterior to Posterior)
Anterior Cerebral Anterior communicating Middle Cerebral (Branch from internal carotid) Posterior communicating Posterior cerebral Superior cerebellar Basilar Anterior inferior cerebellar Posterior inferior cerebellar Vertebral Anterior spinal
