Cancerlumen Share Tweet The cavity or channel within a tube or tubular organ such as a blood vessel or the intestine.( LOO-men )Source: NCI Dictionary of Cancer TermsSearch the Glossary of Medical Terms Previous: LUMBAR/PELVIS/SACRAL syndrome Next: Lumigan 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 Click to commentLeave a Reply Cancel replyYour email address will not be published.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