Main Entry: an·a·phyl·a·tox·in Pronunciation: "an-&-"fil-&-'täk-s&n Function: noun : a toxic substancepostulated to be formed in blood serum treated with some bacterial polysaccharides in order to explain the anaphylaxis that results when the treated and modified serum is injected into experimentalanimals
anaphylatoxin an·a·phyl·a·tox·in or an·a·phyl·o·tox·in (ān'ə-fĭl'ə-tŏk'sĭn) n. A substance that may cause the release of histamine and other compounds that cause hypersensitivity, thus triggering some or all of the symptoms of anaphylaxis.
