https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14000268Edit ImageSaveSaveEditCropCustom TextThree examples of diseased spine, numbered for key. Lithograph by Batelli after Ferdinando Ferrari, c. 1843.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 865 x 1200 px | 300 dpiLarge JPEG 2274 x 3153 px | 300 dpiFree DownloadThree examples of diseased spine, numbered for key. Lithograph by Batelli after Ferdinando Ferrari, c. 1843.More