Cancerdeficiency Share Tweet In medicine, a shortage of a substance (such as a vitamin or mineral) needed by the body.( deh-FIH-shun-see )Source: NCI Dictionary of Cancer TermsSearch the Glossary of Medical Terms Previous: defibrotide sodium Next: definitive diagnosis 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 Click to commentLeave a Reply Cancel replyYour email address will not be published.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