Vitreous

Atransparent fluid occupying the posterior andinterior four-fifths of the eye. Vitreous Humor. (L. vitrum = gl

Source: Ophthalmic Dictionary including pronunciation, derivation and definition of the words used in Optometry and Ophthalmology by James J. Lewis, Oph. D. Professor of Optometry in the Northern Illinois College of Ophthalmology and Otology, Chicago.