
1) Agglutinin 2) Alloantibody 3) Antitoxin 4) Autoantibody 5) Ig 6) Immunoglobulin 7) Isoantibody 8) Opsonin 9) Precipitin
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https://www.crosswordclues.com/clue/antibody

1) Bacterium binder 2) Biological immunity agent 3) Disease-fighting protein 4) Immunity unit 5) Protein 6) Virus fighter
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https://www.crosswordclues.com/clue/antibody

a protein form by the immune system to fight infections.
Found on
http://premierfarmdiary.blogspot.co.uk/2012/02/glossary.html

• (n.) Any of various bodies or substances in the blood which act in antagonism to harmful foreign bodies, as toxins or the bacteria producing the toxins. Normal blood serum apparently contains variousantibodies, and the introduction of toxins or of foreign cells also results in the development of their specific antibodies.Antibody: words in t...
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http://thinkexist.com/dictionary/meaning/antibody/

a protective protein produced by the immune system in response to the presence of a foreign substance, called an antigen. Antibodies recognize and ... [46 related articles]
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http://www.britannica.com/eb/a-z/a/82

A protein made by plasma cells (a type of white blood cell) in response to an antigen (a substance that causes the body to make a specific immune response). Each antibody can bind to only one specific antigen. The purpose of this binding is to help destroy the antigen. Some antibodies destroy antigens directly. Others make it easier for white blood...
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http://www.cancer.gov/dictionary?expand=A

(an´tĭ-bod″e) an immunoglobulin molecule having a specific amino acid sequence that gives it the ability to adhere to and interact only with the antigen that caused its synthesis. This antigen-specific property of antibodies is the basis of the antigen-antibody reaction that is a basic part of the immune response. ...
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http://www.encyclo.co.uk/local/21001

a protein produced by the body to eliminate foreign substances, such as bacteria
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http://www.encyclo.co.uk/local/21166

(Humans as organisms) protein produced by the body's immune system that attacks foreign invaders (antigens)
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http://www.encyclo.co.uk/visitor-contributions.php

(Learning Modules / Biology / DNA / Glossary) Complex protein which is capable of recognising and eliminating foreign particles in the body, such as bacteria and viruses.
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http://www.encyclo.co.uk/visitor-contributions.php
An'ti·bod`y noun (Physiol. Chem.) Any of various bodies or substances in the blood which act in antagonism to harmful foreign bodies, as toxins or the bacteria producing the toxins. Normal blood serum apparently contains variousantibodies, and the introduction of toxins or of foreign cells also res...
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http://www.encyclo.co.uk/webster/A/94
(Ab) Type: Term Pronunciation: an′tē-bod′ē Definitions: 1. An immunoglobulin molecule produced by B-lymphoid cells that combine specifically with an immunogen or antigen. Antibodies may be present naturally, their specificity is determined through gene rearrangement or somatic replacement or may be synthesized in respon...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=4704

A protein found in the immune system that recognizes and attacks foreign substances in the body. If Rh incompatibility is present, the mother's body may develop antibodies to her unborn child, which could cause serious trouble.
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http://www.pregnology.com/

A protein formed by the body's immune system that acts to defend against infections; high levels of antibody are found in blood and colostrums.
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http://www.sheepusa.org/

A protein molecule in the blood serum or other body fluids that destroys or neutralizes bacteria, viruses, or other harmful toxins. Antibody production occurs in response to the presence of an antagonistic, usually foreign substance (antigen) in the body. They are members of a class of proteins known as immunoglobulins that are produced and secrete...
Found on
http://www.virology.net/ATVGlossary.html

A blood protein able to attach to an infectious pathogen, thereby guiding other components of the adaptive immune system to attack that pathogen.
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https://academy.allaboutbirds.org/bird-academys-a-to-z-glossary-of-bird-ter

a molecule produced by the body in response to a specific antigen; for example, the presence of the poliovirus in the blood provokes the body to create amino acid molecules (antibodies) to counteract it. Antigen refers to any substance that stimulates the body to make antibodies.
Found on
https://amhistory.si.edu/polio/glossary/index.htm

a protein molecule in the blood serum or other body fluids that destroys or neutralizes bacteria, viruses, or other harmful toxins
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https://sciencetrek.org/sciencetrek/topics/viruses/glossary.cfm

A protein found in the blood that is produced in response to foreign substances (e.g. bacteria or viruses) invading the body. Antibodies protect the body from disease by binding to these organisms and destroying them.
Found on
https://www.cdc.gov/vaccines/terms/glossary.html

A protein found in the blood that is produced in response to foreign
Found on
https://www.dshs.texas.gov/immunize/dict_terms.shtm

A chemical made by white blood cells to destroy bacteria and other microorganisms
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https://www.encyclo.co.uk/local/20805

a protein made by white blood cells that reacts with a specific foreign protein as part of the immune response
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https://www.encyclo.co.uk/local/20875

a natural substance in the blood that recognizes and destroys foreign invaders and that causes an immune response to vaccination or infection
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https://www.encyclo.co.uk/local/22440

A protein found in the blood that is produced in response to foreign substances (e.g. bacteria or viruses) invading the body. Antibodies protect the body from disease by binding to these organisms and destroying them.
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https://www.futurelearn.com/info/courses/the-role-of-vaccines-in-preventing
(also called an immunoglobulin) a complex protein that is manufactured by lymphocytes to neutralize or destroy an antigen or foreign protein. Many types of antibodies are protective; however, inappropriate or excessive formation of antibodies may lead to illness.
Found on
https://www.stanfordchildrens.org/en/topic/default?id=glossary---allergy-as
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