Meaning of the word antigen in English

What does antigen mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

antigen

US /ˈæn.tɪ.dʒən/
UK /ˈæn.tɪ.dʒən/
"antigen" picture

Noun

a toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.

Example:
The vaccine introduces a weakened antigen to stimulate antibody production.
Blood type is determined by the presence or absence of specific antigens on red blood cells.