idiotypic antibody

id·i·o·typic an·ti·bod·y

an antibody that binds to an idiotope or antigen-combining region of another antibody.Synonym(s): antiidiotype antibody

id·i·o·typ·ic an·ti·bod·y

(id'ē-ō-tip'ik an'ti-bod-ē) An antibody that binds to an idiotope of another antibody.