slide 1 of 2, Quad sets, 1  Sit with your leg straight and supported on the floor or a firm bed. 2  Tighten the muscles on top of your thigh by pressing the back of your knee flat down to the floor. 3  Hold for about 6 seconds, then rest up to 10 seconds. 4  Do this for 8 to 12 repetitions several times a day.
Allograft definition, a tissue or organ obtained from one member of a species and grafted to a genetically dissimilar member of the same species. See more. Dictionary.com
Autotransplantation is the transplantation of organs, tissues, or even particular proteins from one part of the body to another in the same person. The autologous tissue transplanted by such a procedure is called an autograft or autotransplant. It is contrasted with allotransplantation, Syngeneic transplantation and xenotransplantation. A common example is the removal of a piece of bone and its being ground into a paste for the reconstruction of another portion of bone.