Wednesday, June 20, 2018

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Antibody



antibody-www.healthnote25.com
antibody - www.healthnote25.com



Antibodies (gamma globulins) are glycoproteins with certain structures secreted by B cells that have become activated into plasma cells, in response to certain antigens and reactive to such antigens.


 The human immune system is determined by the body's ability to produce antibodies against the antigen. Antibodies can be found in blood or other vertebrate body glands, and are used by the immune system to identify and neutralize foreign objects such as bacteria and viruses.


The antibody molecules circulate in the blood vessels and enter the body's tissues through an inflammatory process. They are made of a few basic structures called chains. Each antibody has two large weight chains and two light chains.


There are several different types of antibody weight chains, and several different types of antibodies, which are incorporated into different classes or isotypes based on each heavy chain. Five different classes of antibodies are known to exist in the mammalian body and play different roles and help to direct the proper immune response for each different type of foreign body that enters the body: IgG, IgM, IgA, IgD and IgE.




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