Ig

one of the most common of the five major classes of immunoglobulins; the chief antibody in the membranes of the gastrointestinal and respiratory tracts

one of the five major classes of immunoglobulins; present in blood serum in small amounts

one of the five major classes of immunoglobulins; present primarily in the skin and mucous membranes

one of the five major classes of immunoglobulins; the main antibody defense against bacteria

one of the five major classes of immunoglobulins; involved in fighting blood infections and in triggering production of immunoglobulin G

sterile solution of globulins derived from the blood plasma of a person who has been immunized for tetanus; provides short-term immunization against tetanus in cases of possible exposure to the tetanus bacillus

an immunoglobulin E that is formed as an antibody against allergens (such as pollen); attaches to cell membranes causing the release of histamine and other substances responsible for the local inflammation characteristic of an allergy