XENOGENIC ANTIGENS Meaning and
Definition
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Xenogenic antigens, also known as xenogeneic antigens, refer to substances that can trigger an immune response in an organism when introduced from a different species. These antigens are derived from foreign sources, in contrast to endogenous antigens produced within the organism's own body. Xenogenic antigens are typically found on the cell surfaces of foreign cells or molecules, serving as markers that allow the immune system to distinguish self from non-self.
When xenogenic antigens are encountered by the immune system, they are recognized as foreign and elicit an immune response as a defense mechanism. This response includes the production of specific antibodies by B cells and the activation of cytotoxic T cells that can directly attack and destroy the foreign cells.
The presence of xenogenic antigens can arise in various scenarios, such as transplantation of organs or tissues between different species, or in the context of infectious diseases caused by pathogens that cross species barriers. In the case of organ transplantation, xenogenic antigens are responsible for the rejection of the transplanted organ, as the immune system recognizes the foreign antigens and mounts an immune response against them.
Studying xenogenic antigens is crucial for understanding transplantation immunology and immunological responses to infectious diseases, as well as for developing strategies to minimize organ rejection and improve transplantation outcomes.
Common Misspellings for XENOGENIC ANTIGENS
- zenogenic antigens
- cenogenic antigens
- denogenic antigens
- senogenic antigens
- xwnogenic antigens
- xsnogenic antigens
- xdnogenic antigens
- xrnogenic antigens
- x4nogenic antigens
- x3nogenic antigens
- xebogenic antigens
- xemogenic antigens
- xejogenic antigens
- xehogenic antigens
- xenigenic antigens
- xenkgenic antigens
- xenlgenic antigens
- xenpgenic antigens
- xen0genic antigens
- xen9genic antigens
Etymology of XENOGENIC ANTIGENS
The etymology of the term "xenogenic antigens" can be understood by breaking down the components of the word.
1. Xenogenic: The word "xenogenic" is derived from the combination of two Greek roots: "xeno" which means "foreign" or "strange", and "genos" which means "origin" or "birth". Therefore, "xenogenic" refers to something that originates from a different or foreign source.
2. Antigens: The word "antigens" comes from the combination of two Greek roots as well. "Anti" means "against" or "opposite", and "genos" again means "origin" or "birth". In this context, "genos" signifies the creation or generation of something. Thus, "antigen" refers to a substance that stimulates the production of antibodies and can trigger an immune response in the body.
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