antithymocyte globulin

noun
an·ti·thy·mo·cyte globulin | \-ˈthī-mə-ˌsīt- \
variants: also anti-thymocyte globulin

Medical Definition of antithymocyte globulin 

: a mixture of usually IgG antibodies against human T cells that is derived from purified animal blood serum (as from a horse or rabbit) and is administered by intravenous injection especially to suppress immune system function (as to prevent rejection in kidney transplant) The immunosuppressive induction protocol included intravenous antithymocyte globulin— Jean-Michel Dubernard, The New England Journal of Medicine, 13 Dec. 2007

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