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Circle of Willis | Radiology Reference Article ...
The Circle of Willis is an arterial polygon (heptagon) formed as the internal carotid and vertebral systems anastomose around the optic chiasm and infundibulum of the pituitary stalk in the suprasellar cistern.This communicating pathway allows equalization of blood-flow between the two sides of the brain, and permits anastomotic circulation, should a part of the circulation be occluded.
Best Circle Of Willis Questions and Answers (Q&A ...
Circle of Willis. Label the arteries in the circle of Willis. You may give your answers in any order. Results and stats. Start Finish. Skip. Start typing to begin the quiz. Compare how you did. Anterior cerebral artery Ophthalmic artery Anterior cerebral artery Middle cerebral artery Internal carotid artery
Blood is "stolen" from the circle of Willis to supply the UE due to proximal stenosis of Subclavian artery. What is Subclavian Steal Syndrome "Worst headache of my life," associated with saccular/berry aneurysms which occur in the arteries of the circle of willis.