IgA Deficiency. Print. IgA deficiency is a defect in the immune system characterized by an inadequate amount of the antibody class known as immunoglobulin A (IgA). Antibodies are large proteins produced by the body to fight infections caused by invaders, such as bacteria, viruses, fungi, parasites, and other foreign agents.
Definition of ultimo. : of or occurring in the month preceding the present.
Noun. 1. extremism-any political theory favoring immoderate uncompromising policies. ideology, political orientation, political theory-an orientation that characterizes the thinking of a group or nation.xtremism. noun fanaticism, enthusiasm, madness, devotion, dedication, zeal, bigotry, infatuation, single-mindedness, zealotry, obsessiveness, monomania, immoderation, overenthusiasm an attempt to eliminate racism and right-wing extremism. Quotations. Extremism in the defence of liberty is no vice! [Barry Goldwater].