Collateral leptomeningeal arteries: where are the anastomosis?

Key point: More than 300 years ago, Willis T. characterized the arterial ring at the base of the brain and began debate concerning whether the circle functions primarily as a flow equalizer or as an anastomosis. Heubner O., in 1874, was the first to produce a well-documented study demonstrating the existence of LMA; he was trying to Read more about Collateral leptomeningeal arteries: where are the anastomosis?[…]