severe combined immunodeficiency: a congenital disease affecting T cells that can result from a mutation in any one of several different genes; children with it are susceptible to infectious disease; if untreated it is lethal within the first year or two of life
immunological disorder: a disorder of the immune system
pudendal block: regional anesthesia resulting from the use of a local anesthetic to deaden the pudendal nerves in the region of the vulva and labia majora; used to ease discomfort during childbirth