competition /com·pe·ti·tion/ (kom″pĕ-tish´un) the phenomenon in which two structurally similar molecules “compete” for a single binding site on a third molecule.compet´itive
antigenic competition an altered response to an immunogen resulting from the simultaneous or close administration of two immunogens: the response to one is normal, while the response to the second is suppressed or diminished.
com·pe·ti·tion (k m p -tsh  n)n. 1. The process by which the activity or presence of one substance interferes with or suppresses the activity of another substance with similar affinities, as of antigens. 2. The simultaneous demand by two or more organisms for limited environmental resources. |
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