https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13966086Edit ImageSaveSaveEditCropCustom TextThe sphenoid bone, shown from behind. Pencil and watercolour drawing by J.C. Whishaw, 1852.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 718 px | 300 dpiLarge JPEG 3450 x 2065 px | 300 dpiFree DownloadThe sphenoid bone, shown from behind. Pencil and watercolour drawing by J.C. Whishaw, 1852.More