Anatomy of the cerebral arterial circulation

Frontal view of the carotid arteries, vertebral arteries, and intracranial vessels and their communication with each other via the circle of Willis.

Reproduced with permission from: Uflacker R. Atlas Of Vascular Anatomy: An Angiographic Approach, Second Edition. Philadelphia: Lippincott Williams & Wilkins, 2006. Copyright © 2006 Lippincott Williams & Wilkins.

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