transplantation

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transplantation (trans-plahn-tay-shŏn) n. the implantation of an organ or tissue from one part of the body to another, as in skin or bone grafting, or from one person to another, as in kidney or heart transplants. Transplanting organs or tissues between individuals is a difficult procedure because of the natural rejection processes in the recipient of the graft. Special treatment (e.g. with immunosuppressant drugs) is needed to prevent graft rejection.

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