ALL meanings of reticuloendothelial system
re·tic·u·lo·en·do·the·li·al sys·tem
R r - noun reticuloendothelial system the aggregate of the phagocytic cells, including certain cells of the bone marrow, lymphatic system, liver, and spleen, that have reticular and endothelial characteristics and function in the immune system's defense against foreign bodies. Abbreviation: RES. 1