Underside of a brain, shown beside a dissection of the abdominal aorta and left iliac artery, both showing symptoms of atherosclerosis and aneurysm. Chromolithograph by W. Gummelt, ca. 1897.

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Underside of a brain, shown beside a dissection of the abdominal aorta and left iliac artery, both showing symptoms of atherosclerosis and aneurysm. Chromolithograph by W. Gummelt, ca. 1897. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.