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 (hăp′tĕn′) also hap·tene (-tēn′)
A small molecule that reacts with a specific antibody but does not induce an immune response unless bound to a larger molecule, usually a protein.

[German : Greek haptein, to fasten + German -en, noun suffix (from Greek -ēnē, -ene).]

hap·ten′ic adj.


(Physiology) immunol relating to a hapten
References in periodicals archive ?
The cause may be due to environmental factors such as bacterial or viral infections, or haptenic toxic chemicals binding to human tissue, causing modification of self-antigens and the subsequent production of autoantibodies.
Synthesis of 2,3-di-Omethyl4-O-(3,6,-di-O-methyl-b-D-glycopyranosyl)-L-rhamnopyranose (and its a-propyl glycoside)-a haptenic portion of the major glycolipid from Mycobacterium leprae.
There are T-helper lymphocytes that are involved with delayed allergy reactions to haptenic immunotoxins such as toxic minerals.