Source:http://linkedlifedata.com/resource/umls/id/C0021055
MSH: The altered state of immunologic responsiveness resulting from initial contact with antigen, which enables the individual to produce antibodies more rapidly and in greater quantity in response to secondary antigenic stimulus.,CSP: altered state of immunologic responsiveness resulting from initial contact with antigen, which enables the individual to produce antibodies more rapidly and in greater quantity in response to secondary antigenic stimulus.,CSP: renewed rapid production of an antibody on the second (or subsequent) encounter with the same antigen.