Annotations

1. Vertebral artery

2. Posterior inferior cerebellar artery (PICA)

3. Basilar artery

4. Anterior inferior cerebellar artery

5. Superior cerebellar artery

6. Posterior cerebellar artery

7. Posterior communicating artery

8. Internal carotid artery

9. Middle cerebral artery

10.Anterior communicating artery

11.Anterior cerebral artery

* Berry aneurysm