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Blood supply to the brain, anterior view unlabeled.
Diagram of circle of Willis, internal carotid and cerebral arteries, front view, unlabeled.
© Alila Medical Media
Image size: 20.0 Mpixels (57.2 MB uncompressed) - 4000x5000 pixels (13.3x16.7 in / 33.9x42.3 cm at 300 ppi)