Arterial supply

Question 1

ACA

Answer 1

• Med. s.f of frontal lobe by orbitofrontal and parietal lobes.
• Ant. 4/5 of corpus callosum
• 2 cm of lat. s.f of frontal & parietal lobe: next to medial longitudinal fissure
• Parecentral lobule
• Ant. parts of basal ganglia and internal capsule
• Optic chiasma
• Olfactory bulb

Question 2

MCA

Answer 2

• Lat. convexity of hemisphere+insula, inf. part of temporal lobe.
• Sup. division: lat.inferior frontal lobe
• Inf. division: lateral temporal lobe
• Deep branches: basal ganglia and internal capsule

Question 3

PCA

Answer 3

• Midbrain
• Post. 1/2 of thalamus,MGB&LGB
• Occipital lobe, visual cortex (calcarine fissure), inf. s.f of temporal lobe (including hippocampal formation)
• Dorsal thalamus, pineal body, choroid plexus of 3rd and lateral ventricles