A substance that may trigger an allergic effect. Typical allergens feature ragweed pollen, animal dander, and mildew.
nything which causes an allergic response. An individual must certanly be allergic towards material to hav a reaction. Your body fights this foreign substance. AKA antigen.
substance causing sensitivity, 1912, from sensitivity on style of antigen.
Any compound because of the potential to produce an allergic response in an animal vulnerable to such a reaction.
Substance that causes allergic reactions in individuals who are hypersensitive to it. Also called antigen, because immunity regards it as international or possibly dangerous and creates antibodies to counter it.
any material that may cause an allergy
a substance (eg pollen, glair, or spermicides) that causes an allergy.