natural killer cell
natural killer cell n. a type of lymphocyte that can kill virus-infected cells and cancerous cells and mediates rejection of bone-marrow grafts. These cells are a part of natural immunity.
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killer cell , killer cell Either of two types of lymphocyte that destroy infected or cancerous host cells. Natural killer cells are distinct from both T cells and… T Cell , T cell
T cell (T lymphocyte) Any of a population of lymphocytes that are the principal agents of cell-mediated immunity. T cells are derived from the… Schwann Cell , Schwann cell (neurilemma cell) A cell that forms the myelin sheath of a nerve fibre. Each cell is responsible for a single length of the fibre (calle… Adherens Junction , adherens junction A cell junction that is commonly observed in epithelial (see EPITHELIUM) cells (e.g. those lining the intestine and those in cardia… B Cell , B cell (B lymphocyte) A lymphocyte that is derived from stem cells in the bone marrow but does not mature in the thymus (compare T cell); in birds it… Cell Death , Cell death
Like all living things, the various types of cells in plants, animals, and the many different cell types in humans eventually die. Cell de…
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natural killer cell