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antibody
[ an-ti-bod-ee ]
noun
- any of numerous Y -shaped protein molecules produced by B cells as a primary immune defense, each molecule and its clones having a unique binding site that can combine with the complementary site of a foreign antigen, as on a virus or bacterium, thereby disabling the antigen and signaling other immune defenses. : Ab
- antibodies of a particular type collectively.
antibody
/ ˈæntɪˌbɒdɪ /
noun
- any of various proteins produced in the blood in response to the presence of an antigen. By becoming attached to antigens on infectious organisms antibodies can render them harmless or cause them to be destroyed See also immunoglobulin
antibody
/ ăn′tĭ-bŏd′ē /
- Any of numerous proteins produced by B lymphocytes in response to the presence of specific foreign antigens, including microorganisms and toxins. Antibodies consist of two pairs of polypeptide chains, called heavy chains and light chains , that are arranged in a Y-shape. The two tips of the Y are the regions that bind to antigens and deactivate them.
- Also called immunoglobulin
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Example Sentences
Most people—at least 95 percent of adults—have pre-existing antibody to measles.
In general, a person who has had an infection maintains detectable antibody against that infection for life.
She, unlike the other millions, has no detectable antibody to HIV.
For example, though I had chicken pox decades ago, I still have antibody to chicken pox.
But in health, people with HIV always maintain readily detectable antibody.
I should say the antibody titer has reached the danger point.
If this is a virus infection, we might only need to find an antibody for inoculation to stop it in its tracks.
Controls were needed, to be certain that the antibody suspension alone was bringing about the changes seen and not something else.
Back aboard the ship they started preparing a larger quantity of the antibody suspension.
Preliminary skin-tests of the antibody suspension showed no sign of untoward reaction.
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