14+ T Cells B Cells Natural Killer Cells UK. Nkt cells produce high amounts of immunomodulatory cytokines upon antigenic stimulation, which endows these cells. Natural killer (nk) cells belong to the innate immune system.
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B cells and t cells are found in many parts of the body, circulating in the bloodstream and lymph, and residing in secondary lymphoid organs, including the spleen and lymph nodes, which will be described later in this section.
B cells and t cells, two types of lymphocytes, are more specialized soldiers of the b cells produce antibodies, which bind to antigens and either block viruses and bacteria from entering cells (neutralizing antibodies) or trigger additional. Mediated by natural killer cells. The nk cells are characterized by granulas, beads, containing cytotoxic chemicals and by not having a t cell. Killer cells react against transplants and cancer cells.