https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14000107Edit ImageSaveSaveEditCropCustom TextDura mater, with a thin layer of blood clot on its internal surfaceOriginal public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 895 px | 300 dpiLarge JPEG 3500 x 2609 px | 300 dpiBest Quality JPEG 5394 x 4021 px | 300 dpiFree DownloadDura mater, with a thin layer of blood clot on its internal surfaceMore