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Lymph Immune System Ryan Sovick, Period 3 - Coggle Diagram
Lymph Immune System Ryan Sovick, Period 3
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Immune Defenses
Innate (natural)
The innate immune defense system is the immune system you were born with. It protects you against all antigens. Innate immunity involves barriers that keep harmful materials from entering your body. These barriers form the first line of defense in the immune response.
Adaptive (acquired)
The adaptive defense consists of antibodies and lymphocytes. The cells of the adaptive immune system are lymphocytes: B cells and T cells. B cells, which are derived from the bone marrow, become the cells that produce antibodies While T cells are a type of leukocyte.
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Antigens and Antibodies
Antigens
An antigen is a molecule or molecular structure, such as may be present on the outside of a pathogen, that can be bound by an antigen-specific antibody or B cell antigen receptor. The presence of antigens in the body normally triggers an immune response.
An antigen is any substance that causes your immune system to produce antibodies against it. This means your immune system does not recognize the substance, and is trying to fight it off. An antigen may be a substance from the environment, such as chemicals, bacteria, viruses, or pollen
Antibodies
Antibodies are proteins made by the immune system to fight infections like viruses and may help to ward off future occurrences by those same infections.
An antibody, also known as an immunoglobulin, is a large, Y-shaped protein used by the immune system to identify and neutralize foreign objects such as pathogenic bacteria and viruses. The antibody recognizes a unique molecule of the pathogen, called an antigen.
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