part of part of in taxon composed primarily of phagocyte Vertebrata <vertebrates> anatomical structure reticuloendothelial system EV:0100048 MESH:D012157 UBERON:0000363 GAID:1004 RES SCTID:278874002 BTO:0001174 lymphoreticular system UMLS:C0035287 Wikipedia:Reticuloendothelial_system lymphoreticular reticuloendothelial system mononuclear phagocyte system FMA:84189 A part of the immune system that consists of the phagocytic cells located in reticular connective tissue. The cells are primarily monocytes and macrophages, and they accumulate in lymph nodes and the spleen. The Kupffer cells of the liver and tissue histiocytes are also part of the RES[WP]. NCIT:C12780 immune system reticular tissue