(hematology) A protein found in the blood, whose plasma concentrations are raised in patients with infection or inflammation.

(chemistry) Any peroxide, singlet oxygen or similar material that is a reactive oxidizing agent

plural of reactive attachment disorder

(pediatrics, psychology) A rare but serious condition in which an infant or young child fails to establish healthy attachments with parents or caregivers

plural of cross-reactivity

(immunology) The degree to which an antigen is effective against an antibody that was generated against a different antigen