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.
Acronym: Computer Role Playing Game. Adaptation of the pen and paper RPG to the Computer. The first two major CRPGs were Ultima and Wizardry. The genre has since evolved with its own conventions separate from the pen and paper game but at the same time still drawing influence from the source material.