Antibody - Wikipedia
Each antibody binds to a specific antigen in a highly specific interaction analogous to a lock and key. An antibody (Ab) or immunoglobulin (Ig) is a large, Y-shaped protein belonging to the immunoglobulin superfamily which is used by the immune system to identify and neutralize antigens such as bacteria and viruses, including those that cause ...
Antibody | Definition, Structure, Function, & Types | Britannica
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.
Antibodies: Definition, Types & Function - Cleveland Clinic
An antibody is a protein produced by your immune system to attack and fight off these antigens. How do antibodies fight off antigens? The molecules on the surfaces of antigens differ from those found naturally in your body.
What is an antibody? - Medical News Today
Antibodies develop in response to an infection or enter the body passively through vaccination. An antibody is sometimes called an immunoglobulin. But not all antibodies are immunoglobulins,...
Antibody: Definition, Structure, Types, Forms, Functions
Antibody (Immunoglobulin) diversity. The immune system has the ability to generate a high level of diversity in order to recognize a very vast range of unique molecules estimated to be in billions. With this capability, foreign structural, foreign antigens can be recognized and eliminated.
Antibody - National Human Genome Research Institute
An antibody is a protein component of the immune system that circulates in the blood, recognizes foreign substances like bacteria and viruses, and neutralizes them.
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)
Antibody: Definition, Structure and Uses | Biology Dictionary
An antibody is a specialized defense protein synthesized by the vertebrate immune system. These small structures are actually made of 4 different protein units. The ends of the molecule are variable, and can be adapted to bind to any molecule.
Antibodies: Definition, Types, and Function - Health
IgG: The most abundant antibody found in the body. It can help to block infections caused by bacteria, viruses, parasites , or other disease-causing organisms.
Antibody: Structure, Types, Functions - biologylearner.com
Immunoglobulin M or IgM is the first antibody produced in response to an infection by plasma cells. It is also the largest antibody and found in pentameric form, in which five monomer units are held together by disulfide bonds. There is a J (joining) chain stabilized the whole structure.
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