Immunology any of various large, phagocytic cells in connective tissue, lymphatic tissue, bone marrow, etc. of vertebrates
Origin of macrophagemacro- + -phage
Any of various large, phagocytic white blood cells that develop from monocytes, are found in the spleen, liver, and other tissues, and have a variety of functions in the immune system including engulfing and destroying pathogens and dead cells, presenting antigens to activate lymphocytes, and releasing cytokines that mediate inflammation.
Origin of macrophagemacro- -phage