👉 In biology, an opsonized cell is a cell that has been phagocytosed by another cell. This occurs when a large and immunologically active cell such as a macrophage or lymphocyte comes into contact with a smaller and less immunologically active cell, called the opsonic particle, which can bind to the surface of the larger cell to form an immune complex. When this happens, the larger cell is recognized as foreign by other cells in its environment and destroyed. This
