Right humerus from a case of ulceration of the articular ends of the bones https://www.rawpixel.com/image/13957502/right-humerus-from-case-ulceration-the-articular-ends-the-bonesFree Image from public domain licenseKnee joint from a case of ulceration of the articular ends of the bones https://www.rawpixel.com/image/13995110/knee-joint-from-case-ulceration-the-articular-ends-the-bonesFree Image from public domain licenseHead of a femur from a case of ulceration of the articular ends of the bones https://www.rawpixel.com/image/14001112/head-femur-from-case-ulceration-the-articular-ends-the-bonesFree Image from public domain license