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antigen

antigen

15 5.0
A substance that makes the body's defence system produce antibodies
  • noun
  • /ˈæn.tɪ.dʒən/
  • Specialized
translation icon : antígeno
  • The primary suspicion changed when the NCHD received the initial positive Cryptosporidium antigen laboratory result.
  • antigen-presenting cell
  • specific antigens
  • antigen test

It's where immune cells go to be trained to recognize antigens and and foreign things.

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Examples

  • Harvested cells were used to prepare antigen-coated glass slides by standard methods.

    Academic text (1991)
  • Type AB blood has both antigens and type O blood has none.

  • So this is basically what happens when a protein or an antigen is coming from inside the cell.

  • And this is the immune system's signal that this is a self antigen, OK.

  • So big advantage of having a rapid antigen serological test.

  • And this antigen is associated pretty strongly with different systemic diseases, but it can be easily detected with a blood test.

  • The structures of antibody fragments and their complexes with protein antigens have explained many key features of immune defense.

    Academic text (1995)
  • Vaccines contain an antigen that helps the body develop immunity against diseases.

  • The antigen triggered a strong immune response, leading to the production of antibodies.

  • During the blood test, they checked for specific antigens that indicate an infection.

Synonyms

agglutinogen
vsantigen
  • Specialized
9.9

A substance on red blood cells that makes the body make antibodies

is broader, inducing antibodies in general rather than only specific agglutinins
immunogen
vsantigen
  • Specialized
8.0

A substance that makes the body produce protection against a disease, for example in a vaccine

focuses on inducing antibody production rather than ensuring lasting immunity
immunizing agent
vsantigen
  • Specialized
4.4

A substance that makes the body build protection against a disease when given to a person or animal

is more about antibody production than guaranteeing protective immunity

Compounds

1 5.1

A protein made by the prostate gland that doctors measure in blood to check for prostate problems like cancer

How Antigenic

antigenicity
  • Specialized
9.0
antigen
  • Specialized
15 5.0
hapten
  • Specialized
9.9

Surface Forms

antigen singular
antigens plural

Etymology

The word antigen was made from parts meaning 'antibody' and 'to produce', and the -gen part is the same root as generate. So an antigen is something that makes the body produce antibodies.