hapten

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hapten

(immunology)
An incomplete antigen that cannot induce antibody formation by itself but can do so by coupling with a larger carrier molecule.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In contrast to haptenic compounds, most xenobiotics eliciting adverse immune reaction are unable to bind to proteins when entering the body; however, they can do so after conversion to reactive metabolites.
There are T-helper lymphocytes that are involved with delayed allergy reactions to haptenic immunotoxins such as toxic minerals.
A haptenic model system for the study of allergic diseases of man.