Online Google Dictionary

antigen 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/ˈantijən/,
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antigens, plural;
  1. A toxin or other foreign substance that induces an immune response in the body, esp. the production of antibodies

  1. any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)
  2. (antigenic) of or relating to antigens
  3. An antigen is a molecule recognized by the immune system. Originally the term came from antibody generator and was a molecule that binds specifically to an antibody, but the term now also refers to any molecule or molecular fragment that can be bound by a major histocompatibility complex (MHC) ...
  4. The ABO blood group system is the most important blood type system (or blood group system) in human blood transfusion. ...
  5. A substance that induces an immune response, usually foreign
  6. Antigens are molecules that stimulate an immune system response. Bacteria, viruses, and other microorganisms are types of antigens.
  7. (antigens) Molecules carried or produced by microorganisms that initiate antibody production; mostly proteins or proteins combined with polysaccharides.
  8. (Antigens) Substances that cause an immune response in the body. The body "sees" the antigens as harmful or foreign. To fight them, the body produces antibodies, which attack and try to eliminate the antigens.
  9. (Antigens) Foreign macromolecules—normally proteins, carbohydrates, or nucleic acids—that trigger the immune response.^ 3
  10. (Antigens) Ingredients that create a vaccine’s antibodies.
  11. (Antigens) Specific structures on the cell surface of bacteria, viruses or fungi. If the body is attacked by such pathogens, the plasma cells developed from the B-lymphocytes form antibodies.
  12. (Antigens) a substance that the body recognizes as 'nonself' or 'foreign' and against which a specific immune response is mounted. Antibodies have a complementary chemical structure to a portion of an antigen and bind to the antigen, analogous to the manner in which a key fits into a lock.
  13. (Antigens) any molecule that our immune system will mount a specific response against. Each antigen may have multiple locations, or epitopes, where antibodies actually bind. Antigens can be proteins, lipids (fats), carbohydrates, glycoproteins or lipoproteins.
  14. A substance on the surface of red Blood cells that elicits an immune response when transfused into a patient who lacks that antigen.
  15. An antigen is any substance that the body identifies as potentially dangerous and against which it produces a defence (an antibody).
  16. An antigen is any substance that may cause the body’s immune system to act (an immune response). Antigens may be microorganisms (e.g., viruses, bacteria), toxins, or foreign tissue cells (e.g., used in transplantation).
  17. a substance that reacts with antibodies or memory T cells to give rise to an immune reaction. An antigen that binds with a specific antibody or T cell can give rise to allergy.
  18. a protein produced by the immune system in response to an infection or other stimulation (i.e. allergies, etc).
  19. A substance that causes the immune system to make a specific immune response.
  20. a substance that can trigger an immune response causing the production of antibodies as part of the body's defense against infection and disease.
  21. chemical substance, foreign to the body, that causes the body's immune system to react by producing antibodies.
  22. Component of a foreign biological substance (transplanted tissue, invading virus, etc.), which stimulates the host's immune system to attack that foreign substance by elaborating an antibody (q.v.) that destroys the antigen and, in so doing, usually results in damage to the "invader"
  23. a structure foreign to the body, such as a virus. The body usually responds to antigens by producing antibodies.
  24. Any foreign material that is specifically bound by specific antibody or specific lymphocytes; also used loosely to describe materials used for immunization. Antigens may also be immunogens if they are able to trigger an immune response, or haptens if not.
  25. a substance that causes the body's immune system to react. This reaction often involves production of antibodies. For example, the immune system's response to antigens that are part of bacteria and viruses helps people resist infections. ...