Main Entry: im·mu·no·tox·in Pronunciation: 'im-y&-nO-"täk-s&n, im-'yü-nO- Function: noun : a toxin that islinked to a monoclonal antibody and that is delivered to only those cells (as cancer cells) bearing the antigen targeted by the monoclonal antibody to which it is linked
immunotoxin im·mu·no·tox·in (ĭm'yə-nō-tŏk'sĭn, ĭ-my&oomacr;'-) n. A hybrid molecule formed by binding a toxin to a monoclonal antibody, used to destroy tumor cells.