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Title: Aneurysm in the Circle of Willis
Caption: Aneurysm in the Circle of Willis, showing possible types (ruptured, fusiform, and saccular) at right. The circle of Willis (also called Willis' circle, loop of Willis, cerebral arterial circle, and Willis polygon) is a circulatory anastomosis that supplies blood to the brain and surrounding structures. It is named after Thomas Willis (1621-1675), an English physician.
Category: medical • ILLUSTRATION
Credit: Album / Science Source / Monica Schroeder
Image size: 6259 × 4445 px | 79.6 MB
Print size: 53.0 × 37.6 cm | 2464.2 × 1750.0 in (300 dpi)