- a protein fraction of blood plasma that responds to stimulation of antigens, as bacteria or viruses, by forming antibodies: administered therapeutically in the treatment of some viral diseases.
- any of a group of proteins in blood plasma that includes most known antibodies
- A protein fraction of blood serum containing many antibodies that protect against bacterial and viral infectious diseases.
- A solution of gamma globulin prepared from human blood and administered for passive immunization against measles, German measles, hepatitis A, poliomyelitis, and other infections.
- A class of globulins in the blood plasma of humans and other mammals that function as part of the body’s immune system and include most antibodies.
- A solution of this substance prepared from human blood and administered for immunization against measles, German measles, hepatitis A, and other infections.