A substance that combines with a complement and so neutralises its action by preventing its union with the antibody. ... Synonym: antialexin. ... (05 Mar 2000) ... 
(an″te-) (an″ti-kom´plә-mәnt) a substance that counteracts the action of a complement.
Type: Term Pronunciation: an′tē-kom′plĕ-ment Definitions: 1. A substance that combines with a complement component and neutralizes its action by preventing its union with an antibody. Synonyms: antialexin