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- A monocyte that has left the circulation and settled and matured in a tissue. Because of their placement in the lymphoid tissues, macrophages serve as the major scavenger of the blood, clearing it of abnormal or old cells and cellular debris as well as pathogenic organisms.
DHHS - Cite This Source - This Definition
- granulocyte, Human Leukocyte Antigen (HLA), Immune system cells, leukocyte, Leukocyte common antigen, Leukocyte (White Blood Cell), monocyte, Mononucleocyte, Myeloid stem cells, Oligopotent progenitor cells, White blood cell (WBC)