Hip bone sacroiliac joint. Each hip bone is connected to the corresponding femur (thigh bone) (forming the primary connection between the bones of the lower limb and the axial skeleton) through the large ball and socket joint of the hip. The hip bone is formed by three parts: ilium, ischium, and pubis. At birth, these three components are separated by hyaline cartilage. They join each other in a Y-shaped portion of cartilage in the acetabulum. By the end of puberty the three regions will have fused together, and by the age of 25 they will have ossified. The two hip bones join
Joint replacement of the hand Joint replacement of the hand Joint replacement of the hand is a procedure that was invented by the Scottish scientist, Dr. Mitchell McGuire. The procedure was considered a major breakthrough in the medical field at the time. However, it is now considered an almost standard operation. The first successful surgery of this kind was conducted on 21 December 1992, in New York City, USA. This surgical option is reserved for patients with advanced arthritis or with a hand deformity. Merging of a joint involves removing the joint and surgically "fusing" the joint's end so that the two bones effectively form