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24 Cards in this Set

  • Front
  • Back
Anaphylaxis
a life-threatening system allergic reaction
Antigen
any foreign substance that triggers an immune response
B-lymphocytes
lymphocytes of humoral immune response that become plasma cells, antibodies and immunoglobulins, and memory cells for subsequent reactions
HAART (highly active antiretroviral therapy)
a combination of several drugs taken in a daily regimen to combat HIV and commonly referred to as a "cocktail" although it is administered in pill form
Histamine
a chemical released during inflammation and an allergic reaction responsible for cell permeabillity and resulting swelling and congestion
Leukocyte
white blood cells involved in phagocytosis, includes neutrophils & polymorphic cells
Leukocytosis
an abnormal increase in white blood cells indicating infection or inflammation
T-lymphocyte
lymphocytes produced in the thymus responsible for T-cells of the cell-mediated immune response
Immunity
the ability of the body to defend itself against infectious agents, foreign cells, and even abnormal body cells
Nonspecific defense
effective against any foreign agent, also known as innate immunity
Specific defense
effective against particular identified foreign agents, also known as aquired immunity
Interferon
a group of substances that stimulate the immune system
Hyperemia
increased amount of blood, causes heat and redness of inflammation
Neutrophils/polymorphs
leukocytes, specialized cells that defend the body against invading microorganisms and engulf cell debris of injured tissues
Histamine
substance released by damaged tissue, causes the capillary walls to become more permeable, allows release of plasma and neutrophils
Chemotaxis
attraction of white blood cells to the site of inflammation
Inflammatory exudate
the plasma and white blood cells that escape from the capillaries and cause swelling
Monocytes/macrophages
white cells that follow the polymorphs in the process of cleaning debris
Fibrin
plasma protein, essetial for the blood-clotting mechanism
Pyogenic
bacteria that cause pus formation
Suppurative
inflmmation associated with pus formation (abscesses, boils, styes)
Fibroblasts
connective tissue cells that close the gap of wounds
Adhesions
formed when connective tissues anchor together adjacent structures during healing
Keloid
hard, raised scar, really a benign tumor