For the railway station in Osaka, Japan, see Universal City Station. Universal City/Studio City, formerly Universal City, is a rapid transit station on the Red Line of the Metro Rail in Los Angeles, California. Serving Universal Studios Hollywood and City Walk.
Specific immunity is the body's learned immune response to disease-causing foreign substances, also referred to as pathogens or antigens. It is also commonly called acquired immunity or adaptive immunity.
This part of the immune system directly targets invading microbes. Our specific immune defenses respond to antigens. An antigen is a protein (or polysaccharide) molecule, typically on the cell membrane, that the body recognizes as nonself.They are found on microbes, foreign cells, or on cancer cells.his part of the immune system directly targets invading microbes. Our specific immune defenses respond to antigens. An antigen is a protein (or polysaccharide) molecule, typically on the cell membrane, that the body recognizes as nonself.