Cancercomplement protein Share Tweet One of a group of about 20 proteins that is found in the blood and is important in fighting infections and other diseases.( KOM-pleh-ment PROH-teen )Source: NCI Dictionary of Cancer TermsSearch the Glossary of Medical Terms Previous: compassionate use Next: complementary and alternative medicine NewsletterSign up for the QuackTrack.org newsletter below! Click to commentLeave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment *Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ QuackTrack on TwitterTweets by QuackTrack_org Trending Posts