Describes a foreign substance that when introduced into the body stimulates the production of an antibody. Many bacteria contain antigens. Toxins, viruses, blood cells or cells from foreign transplants can act as antigens as well.
Describes a foreign substance that when introduced into the body stimulates the production of an antibody. Many bacteria contain antigens. Toxins, viruses, blood cells or cells from foreign transplants can act as antigens as well.
