The insertion of an irritant into the body or the mantle tissue of a mollusk, through human intervention, in order to produce a cultured pearl.
Also termed nucleation or implantation. Process of inserting a hard bead nucleus or piece of soft mantle tissue into a mollusc body or mantle of the mollusc.The nucleus or mantle tissue serves as the 'seed' to irritate the mollusc to produce a pearl.
Grafting is the bonding of tissue to tissue. In dentistry, bone grafts are used to fill in defects in the jaw bone. The grafting tissue can be synthetic bone, cadaver bone or bone taken from another part of the patient. Gum specialists also graft tissue to the gums to build up receeded gums.