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Immunity
Term | Definition |
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AIDS | a disease that causes a severe loss of T-cells in the blood and opens the organism to infections |
HIV | a disease that changes the immune system by turning T-cells into more copies of its self and makes the host more vulnerable to infections |
allergy | a body's immune response to a certain substance |
antibiotic | a medicine that kills microorganisms |
antibody | a protein produced by plasma cells and is used by the immune system to fight pathogens |
antigen | a foreign substance that causes an immune response to fight pathogens |
cancer | disease where there is abnormal division of cells |
disease | disorder of function or structure in an organism that gives symptoms and effects in one area |
histamine | compound that is released by cells when there is an allergic reaction |
pathogen | a microorganism that can cause disease such as a bacterium or a virus |
tumor | a swelling in a part of a body caused by cancer |
vaccination | administration of a weak pathogen so that the body can make antibodies |
white blood cells | cells that protect the organism from infectious disease and foreign invaders |