Circle of Willis (Arterial Supply of Cerebrum)

Question 1

1

Answer 1

anterior communicating artery

Question 2

2

Answer 2

anterior cerebral artery

Question 3

3

Answer 3

middle cerebral artery

Question 4

4

Answer 4

internal carotid artery

Question 5

5

Answer 5

posterior communicating artery

Question 6

6

Answer 6

posterior cerebral artery

Question 7

7

Answer 7

superior cerebellar artery

Question 8

8

Answer 8

basilar artery

Question 9

9

Answer 9

anterior inferior cerebellar artery

Question 10

10

Answer 10

posterior inferior cerebellar artery

Question 11

11

Answer 11

vertebral artery

Question 12

12

Answer 12

anterior spinal artery

Question 13

13

Answer 13

Pontine artery (pons)

Question 14

Distribution: gives branches to walls of cavernous sinus, pituitary gland, and trigeminal ganglion; provides the primary supply to the brain

Answer 14

4. internal carotid artery

Question 15

Distribution: to the cerebral hemispheres except for the occipital lobes
(supplies most of the medial and superior surfaces and the frontal pole)

Answer 15

2. anterior cerebral artery

Question 16

Distribution: to the cerebral arterial circle (of willis)

Answer 16

1. anterior communicating artery

Question 17

Distribution: to most of the lateral surface of the cerebral hemispheres (also supplies temporal pole)

Answer 17

3. middle cerebral artery

Question 18

Distribution: to the cranial meninges and cerebellum

Answer 18

11. vertebral artery

Question 19

Distribution: to the brainstem, cerebellum, and cerebrum

Answer 19

8. basilar artery

Question 20

Distribution: to the interior aspect of the cerebral hemisphere and occipital lobe (supplies the inferior surface and occipital pole)

Answer 20

6. posterior cerebral artery

Question 21

Distribution: to the optic tract, cerebral peduncle, internal capsule, and thalamus

Answer 21

5. posterior communicating artery

Question 22

14

Answer 22

Opthalmic artery