Which of the following best describes the cerebral arterial circle (circle of Willis)?
• An anastomosis circling the entire cortex
• A portal system connecting the hypothalamus with the anterior pituitary
O Formed by the superior and inferior sagittal sinuses
O An anastomosis surrounding the pituitary gland
O A short anastomosis found in the cerebellum
1 answer
An anastomosis circling the entire cortex