Antibody - Wikipedia
An antibody (Ab), also known as an immunoglobulin (Ig), is a large, Y-shaped protein produced mainly by plasma cells that is used by the immune system to neutralize pathogens such as pathogenic bacteria and viruses.
Antibody - Britannica.com
Antibody: Antibody, a protective protein produced by the immune system in response to the presence of a foreign substance, called an antigen. Antibodies recognize and latch onto antigens in order to remove them from the body. Learn more about the function and structure of antibodies in this article.
Antibody: MedlinePlus Medical Encyclopedia
An antibody is a protein produced by the body's immune system when it detects harmful substances, called antigens. Examples of antigens include microorganisms (bacteria, fungi, parasites, and viruses) and chemicals.
What is an Antibody? - News Medical
What is an Antibody? Download PDF Copy; By Ananya Mandal, MD Reviewed by April Cashin-Garbutt, MA (Cantab) Antibodies are large Y-shaped proteins. They are recruited by the immune system to ...
Antibody - Lab Tests Online
Anticentromere Antibody; Antidiuretic Hormone (ADH) Antimitochondrial Antibody and AMA M2; Antinuclear Antibody (ANA) Antiphospholipid Antibodies; Antistreptolysin O (ASO) Antithrombin; Apo A-I; Apo B; APOE Genotyping, Alzheimer Disease; APOE Genotyping, Cardiovascular Disease; Arbovirus Testing; Aspartate Aminotransferase (AST) Autoantibodies ...
Antibody | Define Antibody at Dictionary.com
Antibody definition, 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. Abbreviation: Ab See more.
Antibody | Definition of Antibody by Merriam-Webster
Antibody definition is - any of a large number of proteins of high molecular weight that are produced normally by specialized B cells after stimulation by an antigen and act specifically against the antigen in an immune response, that are produced abnormally by some cancer cells, and that typically consist of four subunits including two heavy chains and two light chains —called also ...
Definition of Antibody - MedicineNet
Antibody: An immunoglobulin, a specialized immune protein, produced because of the introduction of an antigen into the body, and which possesses the remarkable ability to combine with the very antigen that triggered its production. The production of antibodies is a major function of the immune system and is carried out by a type of white blood cell called a B cell (B lymphocyte).