- a substance causing the formation of an antibody
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby
- Any foreign substance, such as a virus, bacterium, or protein, that elicits an immune response by stimulating the production of antibodies.
- A foreign substance or protein that, when introduced into the body, is recognised by the immune system.
Source: Biotechnology Glossary