noun🔗ShareA white blood cell that phagocytizes necrotic cell debris and foreign material, including viruses, bacteria, and tattoo ink. It presents foreign antigens on MHC II to lymphocytes. Part of the innate immune system."The macrophage cleaned up the dead skin cells and bacteria from the infected cut on my arm. "medicinephysiologybiologyanatomyorganismdiseasebiochemistrymicroorganismbodyChat with AIVocabulary GamePractice Reading
