You searched for: “agglutinin
agglutinin (s) (noun), agglutinins (pl)
A substance that causes clumping of the bacteria or other cells; agglutinating antibody: An agglutinin can be an antibody or a lectin, or something else that is able to effect an agglutination, like red blood cells or bacteria.

An agglutinin contains an immunologically similar, reactive antigen.

This entry is located in the following unit: agglutino-, aggluto-, agglutin- + (page 1)