PSY 707 Chapter Notes - Chapter 4: Natural Killer Cell, Humoral Immunity, B Cell

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Chapter 4: stress, illness & the immune system. Inflammation: immune response of the body to damaged tissues/infections characterized by swelling, pain, heat. Phagocytes: immune system cells that eat antigens, eg. neutrophils, monocytes. Macrophages: monocytes that have become enlarged upon leaving the blood & entering bodily tissue. Nk cells: lymphocytic cells programmed to recognize other cells that are non-self or those infected w/ viruses & to release cytotoxic chemicals that lyse these cells. T cells: lymphocytic cells that develop in thymus. B-cells: lymphocytic cells that develop in the bone marrow that produce antibodies. Lymphocytes: a category of immune system cells that include nk cells, t cells & b cells. Immunoglobulins: antibodies; soluble pro produced by b cells that circulate in the blood & bind viruses & other antigens to neutralize them. Innate immune system (aka natural immune system; primitive but rapid system involved in the inflammation process)

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