Noun reticuloendothelial system has 1 sense
  1. reticuloendothelial system, RES - a widely distributed system consisting of all the cells able to ingest bacteria or colloidal particles etc, except for certain white blood cells
    --1 is a kind of system
    --1 is a part of immune system
    --1 has parts: mononuclear phagocyte system, MPS, system of macrophages
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