单词	phagocytosis
释义	phagocytosis /ˌfaɡə(ʊ)sʌɪˈtəʊsɪs / noun [mass noun] Biology The ingestion of bacteria or other material by phagocytes and amoeboid protozoans.Destruction of the red cells occurs as a result of the red cell-bound autoantibodies to the Fc receptors on monocytes and macrophages; phagocytosis and cytotoxic lysis of the red cells subsequently occur.... In addition, these ligands markedly upregulated production of CD36, a scavenger receptor that regulates phagocytosis of apoptotic neutrophils. Fc receptors mediate various effects on immune cells, including proliferation of B cells and phagocytosis by phagocytes. Derivatives phagocytize /ˈfaɡəsʌɪtʌɪz/ (also phagocytise) verb ... The nodes contain macrophages, phagocytic cells that engulf (phagocytize) and destroy bacteria, dead tissue, and other foreign matter, removing them from the bloodstream. Although dendritic cells phagocytize apoptotic and necrotic cells to the same degree, only engulfment of necrotic cells induces dendritic cell maturation. In the case of the red blood cell, the useless heterochromatin is eventually ejected from the cell and phagocytized by macrophages. phagocytose /ˈfaɡəsʌɪtəʊz/ verb ... However, eventually cells break into fragments, forming apoptotic bodies that are phagocytosed by macrophages or neighboring reticuloendothelial cells. In the resolving phase, the accumulated neutrophils undergo apoptosis and are subsequently phagocytosed by macrophages. The patient's platelets were phagocytosed by her own neutrophilic granulocytes.
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