: a person who opposes a person or group in authority. He was a rebel against the school administration. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples. : a person who does not obey rules or accept normal standards of behavior, dress, etc. He is a typical teenage rebel.
antibody-antigen complex. a complex formed by the combining of antibody and antigen. Called also immune complex. Golgi complex. a complex cellular organelle involved in the synthesis of glycoproteins, lipoproteins, membrane-bound proteins and lysosomal enzymes. See also golgi apparatus.
A common analogy used to describe this is the fit between a lock and a key. In summary an antigen is a molecule that binds to Ag-specific receptors, but cannot induce an immune response in the body by itself. The term originally described a structural molecule that binds specifically to an antibody.It expanded to refer to any molecule or a linear molecular fragment that can be recognized by highly variable antigen receptors (B-cell receptor or T-cell receptor) of the adaptive immune system. common analogy used to describe this is the fit between a lock and a key. In summary an antigen is a molecule that binds to Ag-specific receptors, but cannot induce an immune response in the body by itself. The term originally described a structural molecule that binds specifically to an antibody.