no comments Share Tweet Share Pin it Share Stumble Email HomeThe Encyclopedia of BiologyAntigen Antigen The Encyclopedia of Biology By Safi Ur Rehman Qamar September 25, 2024 No Comments antigen A foreign substance, a macromolecule, that is not indigenous to the host organism and therefore elicits an immune response. Recommended For You Barany Safi Ur Rehman Qamar Safi Ur Rehman Qamar Write For Us Reply Cancel reply Save my name, email, and website in this browser for the next time I comment. Δ