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.
2. a general outbreak, riot, uprising, or other disorder. 3. highly distressing agitation of mind or feeling; turbulent mental or emotional disturbance. [1375â1425; late Middle English tumult(e) tumultus an uproar, akin to tumÄre to swell]. a disorderly mob; a violent commotion.