GRAFTING

n. Gra3ft'i2n2. Fr., greffe. Ger., Pfropfung. The operation of inserting a graft. Bone g. Fr., greffe tie I'os. The insertion of a portion of bone between the ends of a broken bone to facilitate union and supply deficiency of substance. [EJ Brain g. The proce of transplanting portions of the brain from one animal to another; there is union of connective-ti ue elements, but degeneration of the cerebral substance_s. ["N. Y. Med. Jour.," June 28, 1890, p. 701 (a, 34).] Epidermic g. Skin grafting, [a, 34.] Nerve g. The insertion of a portion of a nerve, taken from a lower animal or from an amputated human extremity to fill a gap in the continuity of some nerve; the operation must be antiseptic and the ends of the injured nerve freed and freshened, [a, 34.] Skin g. The proce of placing small pieces of epidermis upon granulating wounds to facilitate healing. [E.] Sponge g. Fr., greffe e)>onge. Ger., Einheilung von Schwarn men, Schwammeinheilung. The experiment of inducing the capillary loops of a granulating surface to grow into the substance of a piece of sponge previously rendered aseptic, so that the latter forms a part of the material that fills up the solution of continuity. [Hamilton, " Edinb. Med. Jour.," Nov., 1881; " Dublin Jour, of Med. Sci.," Mar., 1882.] Tendon g. Fr., greffe ten dine use. The removal, under strictest antiseptic precautions, of a portion of tendon from a lower animal and the insertion and suture of this portion between the divided ends of a contracted tendon, fa, 34.] Thyreoid g. An operation first proposed by Horsley for myxoedema; it consists in removing, under strict antiseptic precautions, a piece of the thyreoid gland of a sheep and implanting it subcutaneously. [a, 34.] Tooth g. The transplantation of a living tooth, a membranous connection forming between it and the socket, [a, 34.] Zooplastic g. The transplantation of zooplastic grafts, [a, 34.] [s. 229]