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.
Ultimo. Ultimo is an inner-city suburb of Sydney, New South Wales, Australia. Ultimo is located 2 kilometres south-west of the Sydney central business district in the local government area of the City of Sydney.Broadway is a locality around the road of the same name, which is located on the borders of Ultimo, Chippendale and Glebe.ltimo is located 2 kilometres south-west of the Sydney central business district in the local government area of the City of Sydney. Broadway is a locality around the road of the same name, which is located on the borders of Ultimo, Chippendale and Glebe.