You searched for: “antibody
antibody (s) (noun), antibodies (pl)
A protein molecule produced in the blood by lymphocytes in response to the presence of foreign or invading substances (antigens): Antibodies can connect with components that the body recognizes as foreign or strange, such as viruses and bacteria, or even alien elements in the blood.
This entry is located in the following unit: Anatomy and Related Anatomical Terms (page 3)