Cancereffector cell Share Tweet A cell that performs a specific function in response to a stimulus; usually used to describe cells in the immune system.( eh-FEK-ter sel )Source: NCI Dictionary of Cancer TermsSearch the Glossary of Medical Terms Previous: efavirenz Next: Effexor 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 Click to commentLeave a Reply Cancel replyYour email address will not be published.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