BIO 1030 Lecture Notes - Lecture 41: Cytotoxic T Cell, Bone Marrow, Natural Killer Cell

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BIO 1030 Lecture 41
Notes
Immune system
oFights infections and cancer
oLymphatic organs – red bone marrow, thymus gland, lymph nodes, and spleen
oTonsils and appendix are patches of immune tissue
Cells of the immune system
oMacrophages
Phagocytize pathogens
Inflammatory response and specific immunity
oMast cells
Release histamine
Which promotes blood flow to injured tissues
Inflammatory response
oNeutrophils
Phagocytize pathogens
Inflammatory response
oNatural killer cells
Kill virus-infected and tumor cells by cell to cell contact
oLymphocytes
Are responsible for specific immunity
oB cells
Produce plasma cells and memory cells
oPlasma cells
Produce specific antibodies
oMemory cells
Long-lived cells that may produce new B and T cells in the future
oT cells
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