Revision as of 09:19, 2 February 2009 by Honee_v (definition, supplement, internal links)
noun, plural: allergens
An antigen that causes an allergic reaction in an organism.
Word origin: German Allergen : Aller(gie), allergy + -gen, -gen (from French -gène
Related forms: allergenic (adjective).
See also: allergy.
Please contribute to this project, if you have more information about this term feel free to edit this page.