Neurosurgery Coding Alert

Basics of Brain Circulation

The main arteries that supply the brain include the vertebral arteries, basilar artery, and the anterior, middle, and posterior cerebral arteries. The arteries on the two sides are joined by the anterior and posterior communicating arteries to complete the arterial circle in the brain called the 'Circle of Willis.' Any artery in this circulation has a potential to bleed.

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