Lymphocytes
- Created by: tumblrgirl96
- Created on: 12-05-15 19:09
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- Lymphocytes
- White blood cells that help to defend the body against specific diseases
- 2 types
- Lymphocytes
- White blood cells that help to defend the body against specific diseases
- 2 types
- B Cells
- Effector Cells
- Differentiate to produce plasma cells
- Last for a few days
- Memory Cells
- Remain in the body for months or years in case of reinfection during secondary immune response
- Divide by clonal selection
- Stimulated by cytokines released by T Helper Cells
- During primary immune response
- Effector Cells
- T Cells
- Helper Cells
- Enhance the activity of phagocytes and release cytokines
- Complementary CD4 receptors bind to APCs - macrophages that display non-self antigens when engulfed during phagocytosis
- when activated they produce T helper cells and T memory cells
- Killer Cells
- destroy any cells with non-self antigens
- Division stimulated by cytokines
- Release enzymes that create pores in the membrane of the infected cell - causes lysis
- Memory Cells
- Remain in body for months or years in case of reinfection, e.g. secondary immune response
- Helper Cells
- B Cells
- 2 types
- White blood cells that help to defend the body against specific diseases
- B Cells
- Effector Cells
- Differentiate to produce plasma cells
- Last for a few days
- Memory Cells
- Remain in the body for months or years in case of reinfection during secondary immune response
- Divide by clonal selection
- Stimulated by cytokines released by T Helper Cells
- During primary immune response
- Effector Cells
- T Cells
- Helper Cells
- Enhance the activity of phagocytes and release cytokines
- Complementary CD4 receptors bind to APCs - macrophages that display non-self antigens when engulfed during phagocytosis
- when activated they produce T helper cells and T memory cells
- Killer Cells
- destroy any cells with non-self antigens
- Division stimulated by cytokines
- Release enzymes that create pores in the membrane of the infected cell - causes lysis
- Memory Cells
- Remain in body for months or years in case of reinfection, e.g. secondary immune response
- Helper Cells
- Lymphocytes
- 2 types
- White blood cells that help to defend the body against specific diseases
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