[se″ro-re-ak´shun] a reaction demonstrating a specific antibody or antigen in serum.
seroreaction
S06-853260 (sē″rō-rē-ăk′shŭn) [″ + ″] 1. Any reaction taking place in or involving serum.2. A reaction to an injection of serum marked by rash, fever, pain, arthralgia, or arthritis.