circle of Willis necklace | silver pp_render This geometry creates a material

This geometry creates a material with no weak planes

astronomy educators and planetarium staff

and trunk transfers down through each vertebral body

worn here as a 29 mm sterling silver pendant

a coiled flagellum

circle of Willis necklace | silver pp_render This geometry creates a materialCircle of Willis necklace sterling silver If you have trained on stroke protocols, you know the circle of Willis before you know most other brain anatomy. The arterial ring at the base of the brain that provides collateral perfusion when one vessel is blocked. Thomas Willis described it in 1664, and it remains the key to understanding why some strokes are catastrophic and others are survivable. The Science Behind the Circle of Willis The circle of