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Stroke - series

Part 1
Part 2
Part 3
Part 4

Part 2:

The internal carotid arteries branch at the base of the brain in an area called the circle of Willis.

Reviewed last on: 9/16/2008
Daniel B. Hoch, PhD, MD, Assistant Professor of Neurology, Harvard Medical School, Department of Neurology, Massachusetts General Hospital. Also reviewed by by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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