https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13951570Edit ImageSaveSaveEditCropCustom TextHuman skull, seen in profile, with blood vessels indicated in red. Etching with watercolour by A. von Perger, ca. 1850.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 868 x 1200 px | 300 dpiLarge JPEG 1239 x 1713 px | 300 dpiFree DownloadHuman skull, seen in profile, with blood vessels indicated in red. Etching with watercolour by A. von Perger, ca. 1850.More