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Definition
| any substance that can cause an immune response |
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Definition
| a type of acquired immunity in which the body produces its own antibodies to attack a particular antigen |
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Definition
| a type of immunity that is acquired when a person is given antibiotics, obtained from the blood of either another person or an animal, to attack a particular antigen |
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Definition
| the body's initial response to an antigen; does not produce measurable amounts of antibodies |
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Definition
| a rapid responce by the immune system when it encounters the same antigen a second time in the body; produces high levels of antibobies within two days |
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| functions of different types of white blood cells |
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Definition
Neutrophils- phagocytosis(surronding and eating) small particles
Monocytes- phagocytosis of large particles
Eosinophils- release clot-digesting enzymes and fight allergy symptoms
Basophils-Relase herapin(anticoagulants) that is a substance causing inflammation
Lymphocytes- involved in immune response |
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Term
| immune response - what blood cells are responsible for what parts of the response |
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Definition
1st line of defense requires no blood cells in response to bacteria
2nd line of defense uses NON-specific white bloodcells such as neutrophil(phagocytosis), basophils(histamine) causing INFLAMMATION
3rd line of defense requires SPECIFIC white blood cells such as B and T lymphocytes, and macrophaghes
histamine is released by bloodcells to tell blood vessels to open. |
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Term
| Immune Responses - 1st Line of Defense |
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Definition
| 1st line - Once pathogens(disease causing organisms) come in contact with body, the skin and mouth (non-specific physical barriers) protect body |
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| Immune Responses - 2nd Line of Defense |
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Definition
2nd Defense - Non specific white bloodcells such and neuterphils ands basophils causing inflammation and small phagocytosis of small pathogens. Chemicals called interferons are released: "Compliments" are also in 2nd defense and are a group of molecules that punch holes in the cell walls of bacteria.
As histamine is releazed by blood cells blood vessels are opened |
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Term
| Immune responses - 3rd Line of Defense |
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Definition
| 3rd line - Antigens start up Antibodies which are produced and go towards invading pathogens. Macropaghes are released which beform large phagocytosis. Helper T cells then scan the marcophage for recognition and production of antibodies. Memory T cells remember antigens while Plasma cells or B cells produce more antibodes. Killer T cells releases toxins to kill antigens |
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Term
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Definition
| Attacks helper T cells of the immune systems. It is not effected against the immune system and stops immune system from producing antibodies to fight antigens |
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Term
| Componets of blood plasma |
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Definition
90% of blood is plasma
10% Various substances(glucose, amino acids, faty acids, vitamins, enyzmes, hormones, cellular wastes, and proteins)
Contains 3 main parts
Albumin - keeps water from leaving blood and entreing surronding cells
Fibrinogens- Involved in blood clotting
Globulins-Various functions such as antibodes or the transportation of proteins |
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