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13 Cards in this Set

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4 functions of n-s immune system
1. Defense against disease organisms
2. ID and destruction of abnormal cells
3. Repair of injury (cut)
4. Removal of senescent cells (worn out blooo cells)
4 complications of the immune system
1. autoimmune diseases (starts killing normal cells)
2. excess reactions (n-s)
3. allergic reaction (spec)
4. graft rejection (kills new cells or organisms)
erythrocytes
red blood cells, not directly involved---all the same
leukocytes (white blood cells)
white blood cells, lots of them and big.
-in NON specific: helps with inflammation and destroys parasites.
-Macrophages are leukocytes
phagocytosis
macrophages engulf a disease cell and digests it, then alerts specific immune system
macrophages
phagocytic white blood cells that move throughout the lymphatic system
barriers
skin and mucous membranes
physiological barrier
temperature
active complement
-activated by macrophages (in BOTH b/c they're the link to both systems)
-releases active chemicals (interleukins)
interleukin
induce fever and alert spec. immunity.
-fever is good b.c it keeps bacteria from dividing.
-releases CRF
interferon
goes to cells in the area of infected cell to alert them to kill it
complement
punches holes in infected cells, plasma proteins, in plasma blood all the time
natural killer cells
attack tumor cells, if cell does not have correct receptor