| transplantation conditioning | Preparative treatment of transplant recipient with various conditioning regimens including radiation, immune sera, chemotherapy, and/or immunosuppressive agents, prior to transplantation. Transplantation conditioning is very common before bone marrow transplantation. (12 Dec 1998) |
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| escape conditioning | The technique whereby an organism learns to terminate unpleasant or punishing stimuli by making the appropriate new response which stops the delivery of such stimuli. Compare: avoidance conditioning. Synonym: escape training. (05 Mar 2000) |