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Stroke - series

Part 1:
Part 1

Much of the brain is supplied blood by the internal carotid arteries.



Part 2:
Part 2

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



Part 3:
Part 3

A blood clot (thrombus) may form in the body, break-off, and travel to the brain through a carotid artery and the circle of Willis.



Part 4:
Part 4

The blood clot may block the passage of blood through a brain artery, depriving nearby tissue of oxygen and nutrients. The result is a stroke.




Review Date: 5/28/2013
Reviewed By: Luc Jasmin, MD, PhD, FRCS (C), FACS, Department of Neurosurgery at Cedars-Sinai Medical Center, Los Angeles CA; Department of Surgery at Los Robles Hospital, Thousand Oaks CA; Department of Surgery at Ashland Community Hospital, Ashland OR; Department of Surgery at Cheyenne Regional Medical Center, Cheyenne WY; Department of Anatomy at UCSF, San Francisco CA. Review provided by VeriMed Healthcare Network.

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