Mononuclear phagocyte system, MPS, system of macrophages - a widely distributed system of free and fixed macrophages derived from bone marrow There will not seem to be any system to the books on these cabinets - they're undoubtedly not in alphabetical buy. 'Perfectly, I by no means observed this kind https://xn--939au0g6rj1ue34n9rrf5c.online/about/