cross reaction


Also found in: Dictionary, Thesaurus, Legal, Financial, Encyclopedia, Wikipedia.

cross reaction

A reaction between an antibody and an antigen that is similar to the specific antigen for which the antibody was created. It enables immunoglobulins to cross-link and activate B cells.
References in periodicals archive ?
Most of the anti-sera, at the level of sensitivity of GIA, showed extensive cross reactions, not only across species, but across genera and often family lines.
Vaccination is possible but less likely these days as the vaccine has to be specially imported, it does not stop shedding of the organism and it can cause cross reactions with the tuberculin test.
But all these serological tests are inaccurate and may lead to cross reactions, hence may give false positive and leading to false alarms.