What does vitreous mean?
<answer> Vitreous is defined as a clear, jelly-like substance that fills the middle of the eye.fdw2sQA <context> home / medterms medical dictionary a-z list / vitreous definition Medical Definition of Vitreous Vitreous: A clear, jelly-like substance that fills the middle of the eye. Also called the vitreous humor, humor in medicine referring to a fluid (or semifluid) substance. Eye Diseases Pictures Slideshow