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.
Answers. Best Answer: :with all voices or instruments performing together âused as a direction in music Tutti is an Italian word literally meaning all or together. As a musical term, it is used in various ways. It may refer to an orchestral passage in which every member of the orchestra is playing at once.