Cancervitreous humor Share Tweet The clear jelly-like substance that fills the inside of the eyeball. As a person ages, the vitreous humor becomes more liquid.( VIH-tree-us HYOO-mer )Source: NCI Dictionary of Cancer TermsSearch the Glossary of Medical Terms Previous: Vitrakvi Next: Vivitrol 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 Click to commentLeave a Reply Cancel replyYour email address will not be published.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