Antibody-Antigen | Commonly Confused Words
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Antibody vs. Antigen

Antibody

A substance produced by the body to fight infections and diseases by targeting harmful invaders like bacteria and viruses

Examples:

Antibodies help neutralize toxins in the bloodstream.Doctors measure antibody levels to assess immunity.The vaccine stimulates antibody production in the body.

Synonyms:

Antonyms:

Antigen

A substance that triggers an immune response in the body, usually by producing antibodies.

Examples:

The vaccine helps your body recognize the antigen.Scientists study antigen responses to understand immunity.Antigen exposure can trigger immune system reactions.

Synonyms:

Antonyms:

Ways to tell them apart:

etymology
  • An antibody is like a soldier, defending the body against invaders called antigens.
  • Antigens can be thought of as foreign objects or enemies that label as targets for the body’s immune system.
  • Antibodies recognize and bind to antigens to neutralize them, like a key fitting into a lock.
  • The term antibody has a body in its name, indicating it is part of the body's defense mechanisms.
  • Antigen indicates against genesis, reflecting that it generates an immune response as it is foreign to the body.
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