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antigen

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antigen

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++an·ti·gen /ˈæntɪdʒən/ noun [countable]  HBHM technical a substance that makes the body produce antibodies 抗原
Examples from the Corpus
antigenIndeed, purified antigen-specific B lymphocytes from HIV-1-infected patients can be activated invitro by HIV-1 antigens to secrete cytokines and immunoglobulins.The Pyloriset detects IgG antibodies by agglutination, using Latex particles coated with acid extracted antigen of H pylori.Serum is placed into a circular-well area and allowed to diffuse into the agar forming antigen antibody complexes.This means that physical separation of the free labeled antigen from the antibody-bound labeled antigen is not necessary for measurement.In these diseases the related antigens are enzymes in the granules of neutrophils.Sera from all patients contained IgG antibodies that recognised Giardia heat shock antigen.In contrast, an IgG and IgA response to this antigen has been reported in children with acute infection.Each of the Edinburgh patients colonised by the epidemic strain showed a rising IgG antibody response to P cepacia-specific cell wall antigen.
Origin antigen (1900-2000) German French antigène, from anti- anti- + -gène (from Greek -genes born)
an·ti·gen nounChineseSyllable
the substance makes body that Corpus a


antigen
antigen /ˈæntɪdʒən/ noun [countable]
 Date: 1900-2000
 Language: German
 Origin: French antigène, from anti- 'anti-' + -gène (from Greek -genes 'born')
technical a substance that makes the body produce ANTIBODIES


anti·genBrE /ˈæntɪdʒən/ 🔊NAmE /ˈæntɪdʒən/ 🔊 noun (medical 医学) a substance that enters the body and starts a process that can cause disease. The body then usually produces antibodies to fight the antigens. 抗原(能激发人体产生抗体)