Blood Supply

Question 1

List the major arteries irrigating the brain

Answer 1

• Posterior inferior cerebral artery (PICA)
• Paravertebral artery (PVA)
• Superior inferior cerebral artery (AICA)
• Basilar artery
• Posterior cerebral artery (PCA)
• Internal carotid artery (ICA)
• Middle cerebral artery (MCA)
• Anterior cerebral artery (ACA)

Cercle of Willis

Question 2

List the main ACA branches

Answer 2

• anterior communicating artery
• medial lenticulostriate arteries
• recurrent artery of Heubner
• Pericallosal artery

Question 3

List the main MCA branches

Answer 3

• lateral lenticulostriate arteries
• cortical segments

Question 4

What is irrigated by the anterior communicating artery ?

Answer 4

ACA branche
Anterior connection of the circle of Willis

Question 5

What is irrigated by the medial lenticulostriate arteries ?

Answer 5

ACA branche
Basal nuclei
Anterior portion of internal capsule

Question 6

What is irrigated by the recurrent artery of Heubner ?

Answer 6

ACA branch
Head of Caudate
Ventral portion of the internal capsule

Question 7

What is irrigated by the pericallosal aretry ?

Answer 7

ACA branch
Medial face of cerebral hemispheres

Question 8

Wh at irrigates the lateral lenticulostriate arteries ?

Answer 8

MCA branches
Caudate
Globus pallidus
Putamen
Posterior portion of the internal capsule

Question 9

What is irrigated by the Cortical segments ?

Answer 9

MCA branches
Anterior Insula
Posterior Insula