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.
Define napalm: a thickener consisting of a mixture of aluminum soaps used in jelling gasoline (as for incendiary bombs); fuel jelled with napalm a thickener consisting of a mixture of aluminum soaps used in jelling gasoline (as for incendiary bombs); fuel jelled with napalmâ¦