Medical Dictionary
rejection
noun re·jec·tion \ri-ˈjek-shən\
Medical Definition of REJECTION
1
: the action of rejecting or the state of being rejected <feelings of rejection> <rejection of the atypical child by the…group—G. S. Speer>
2
: an immune response in which foreign tissue (as of a skin graft or transplanted organ) is attacked by immune system components (as antibodies, T cells, and macrophages) of the recipient organism
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