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.
Define hematoma. hematoma synonyms, hematoma pronunciation, hematoma translation, English dictionary definition of hematoma. n. pl. heÂ·maÂ·toÂ·mas or heÂ·maÂ·toÂ·maÂ·ta A localized swelling filled with blood resulting from a break in a blood vessel. n., pl. -mas, -maâ¢ta a circumscribed...