Antibody-Antigen | Commonly Confused Words
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Master confusing words with ease

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
  • Antibodies are the body's defense mechanism, while antigens are foreign invaders.
  • Remember that antibodies respond, while antigens provoke a response.
  • Antibodies are like keys, and antigens are the locks they fit into.
  • An antigen can be a part of a pathogen, while antibodies are part of the immune system.
  • The word antibody has body in it, which is part of your immune system.
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