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Definitions from the Web

Self Antigen

Description:

A self antigen is a substance or molecule that is naturally present in an organism's own cells. It is recognized by the immune system as belonging to the body and does not elicit an immune response under normal circumstances.

Senses:

• Immunology: Referring to a molecule or substance that is recognized as belonging to the body's own cells and does not trigger an immune response.

Usages:

Medical:

When an individual's immune system is functioning properly, it does not attack self antigens, but instead focuses on eliminating foreign substances or pathogens.

Autoimmune diseases occur when the immune system mistakenly identifies self antigens as foreign and launches an immune response against them.

Sample Sentences:

1. The major histocompatibility complex (MHC) presents self antigens to T cells for immune recognition.
2. In autoimmune diseases like rheumatoid arthritis, the immune system mistakenly attacks self antigens in the joints.

Related Products:

Explore related products on Amazon:

• Books on Self Antigen
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