Immunogen: A substance which stimulates production of a specific antibody or of cellular immunity, and which can react with these products.
Immunogenetics: A branch of immunology dealing with the relationships between immunity and genetic factors in disease.
Immunogenic: Producing immunity
Immunogenicity: The capacity to provoke an immune response, or the degree to which a substance has this capacity
Immunology: The scientific study of immunity– that is, the security or protection against a pathogen or poison introduced into an individual–and the immune system