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Medical Term:

antilymphocyte serum


Definition: antiserum against lymphocytes, used to suppress rejection of grafts or organ transplants; when used in humans, the globulin fraction of the heterologous serum (prepared in horse or other animals) is usually used in conjunction with other immunosuppressive agents (drugs or chemicals) and for a limited period of time.

Synonym(s): antilymphocyte globulin