Aspectul anatomic și imagistic al poligonului arterial Willis

Abstract

The study proposes to follow a synthetic presentation of the morphological variants of an arterial polygon of Willis anatomic and imagistic and the wage class of the studied cases in the 25 types described in the specialty literature, the symmetry and the asymmetry of the polygons (the presence or the absence of the “sides” described at the “ideal” type), the calibre and the length of the constitutive branches.