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Interesting way to remember the Circle of Willis https://ellievsmedicalschool.wordpress.com/2015/01/04/in-which-ellie-gets-desperate-with-her-mnemonic-devices/

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Internal medicine on

Twitter / IMmemorandum: Anatomy of the circle of Willis, ...

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---Major arteries in the head and neck: basilar artery, circle of willis, external carotid arteries, vertebral arteries, common carotid arteries, subclavian arteries, and aorta

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Circle of Willis is the joining area of several arteries at the bottom (inferior) side of the brain. At the Circle of Willis, the internal carotid arteries branch into smaller arteries that supply oxygenated blood to over 80% of the cerebrum. Blockage of blood flow to the brain for even a short period of time can be disastrous and cause brain damage or even death.

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