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What causes the immune response?
an antigen
What is antigene and antibody?
An antigen is a substance that can invoke an immune response. While an antibody is the immune system's response to an antigen. Antibodies, act by directly neutralizing the antigen and/or bind to the antigen and signaling marcophages to phagocytose the antigen.
Is the immune response triggered by antibodies?
No. Immune response is triggered by the antigen.
What is the first step of the immune response?
antigen
What system does antigen belong to?
Antigen is a component of the immune system. It can trigger an immune response in the body by interacting with antibodies or immune cells.
What is a substance that causes an immune response called?
Antigen
How was the name antigen derived?
The term "antigen" is derived from a combination of "antibody" and "generator." It was coined in the early 20th century to describe substances that can provoke an immune response by generating specific antibodies. Essentially, antigens are molecules or molecular structures that are recognized by the immune system, leading to the production of antibodies that target them.
What does an antigen do?
An antigen is a substance that triggers an immune response in the body, by stimulating the production of antibodies. This response helps the body to recognize and destroy harmful pathogens such as bacteria, viruses, or foreign substances.
What distinguishes the secondary immune response from the primary immune response?
the secondary immune response is faster and stronger than the first. the primary response also takes a few days to react with the antigen whereas the secondary immune response reacts faster to an antigen.
What is the function of an antigen in an antigen-antibody response?
To help immune cells identify and destroy a pathogen
What conditions is an antigen called an allergen?
An antigen is called an allergen when it triggers an abnormal immune response that leads to allergic reactions in sensitive individuals. This typically occurs when the immune system mistakenly identifies a harmless substance, such as pollen, pet dander, or certain foods, as a threat. The ensuing immune response can cause symptoms ranging from mild (like sneezing or itching) to severe (such as anaphylaxis). Essentially, allergens provoke an exaggerated response from the immune system, distinguishing them from other antigens that do not elicit such reactions.
An antigen is a substance that produces?
An antigen is a substance that produces an immune response in the body, typically by binding to specific antibodies or activating immune cells. This immune response is essential for recognizing and eliminating foreign substances such as pathogens.
