Plasma cell

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Plasma cells are formed from the differentiation of B-lymphocytes (a type of white blood cell) and can be short lived, surviving only a couple of days, or long lived, surviving a whole lifetime[1]. Plasma cells can secrete thousands of antibodies into the blood and lymph and therefore act as a great defense mechanism after invading pathogens have entered the body[2]. The production of antibodies gradually decreases as the pathogen is continually destroyed resulting in recovery after infection[3]. Antibody molecules bind to target antigens because they have a complementary shape and so they form very specific antigen-antibody complexes[4]. Many of these complexes can clump together in the body and make it easier for phagocytes to detect the antigens and destroy them - this process is known as aggultination[5].

References

  1. https://www.britannica.com/science/plasma-cell
  2. http://www.els.net/WileyCDA/ElsArticle/refId-a0004030.html
  3. https://www.britannica.com/science/plasma-cell
  4. http://www.interactive-biology.com/3538/what-is-antigen-antibody-complex/
  5. http://www.interactive-biology.com/3538/what-is-antigen-antibody-complex/
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