substance
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.
Antigen
Antigen
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.
If it can be harmful, it can be referred to as pathogen.
a toxin or other foreign substance that induces an immune response in the body, especially the production of antibodies.
antigen
One term that is used is antigen. An antiGEN will GENerate an ANTIbody which will 'kill' the antigen.
antigen-a toxin or other foreign substance that induces an immune response in the body, especially the production of antibodies.Antibodies-a blood protein produced in response to and counteracting a specific antigen. Antibodies combine chemically with substances that the body recognizes as alien, such as bacteria, viruses, and foreign substances in the blood.
antigen- any substance the body regards as foreign
Depending on the exact response, the substance is generally called a pathogen, yet more specifically depending on the nature of the response and origin of the substance, could be an antigen, allergen, carcinogen, etc.
When the body encounter with the same antigen.