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    definition of antibodies

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    +1  Views: 556 Answers: 1 Posted: 13 years ago
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      A Y-shaped protein on the surface of B cells that is secreted into the blood or lymph in response to an antigenic stimulus, such as a bacterium, virus, parasite, or transplanted organ, and that neutralizes the antigen by binding specifically to it; an immunoglobulin.


      antibody
      When bacteria enter a flesh wound, a B lymphocyte releases antibodies, which collect the bacteria and direct them toward a macrophage for destruction.

      13 years ago. Rating: 3
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