| 单词 | Enhancement,Graft |
| 释义 | Enhancement,Graft《英文msh词典》Enhancement,Graft [入口词] Enhancement,Graft [主题词] Graft Enhancement,Immunologic [英文释义] The induction of prolonged survival and growth of allografts of either tumors or normal tissues which would ordinarily be rejected. It may be induced passively by introducing graft-specific antibodies from previously immunized donors,which bind to the graft's surface antigens,masking them from recognition by T-cells; or actively by prior immunization of the recipient with graft antigens which evoke specific antibodies and form antigen-antibody complexes which bind to the antigen receptor sites of the T-cells and block their cytotoxic activity. |
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