agglutinogen

/əˈɡluːtɪnədʒən/
noun
  1. A substance (such as a protein or carbohydrate) that causes blood cells or other particles to clump together, especially in the context of blood typing or immune reactions.
    • The presence of a specific agglutinogen on red blood cells determines a person's blood type.
    • The agglutinogen on the bacteria's surface triggered a strong immune response.
    • Scientists identified a new agglutinogen in the patient's blood sample.
Synonyms
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