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.
nom-, nomen-, nomin-, -nomia, -nomic. Don't confuse this element with the Greek nomo-which means law; or with nomo-meaning meadow, pasture and by extension, acute ulcerative process and gangrene.