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Vitreous humour

The vitreous humour is the clear gel that fills the space between the lens and the retina of the eyeball of humans and other vertebrates. It is often referred to as the vitreous body or simply “the vitreous”. The vitreous humour is a transparent, colorless, gelatinous mass that fills the space in the eye between the lens and the retina. It is present at birth and remains unchanged throughout one's life. Produced by cells in the non-pigmented portion of the ciliary body, the vitreous humor is derived from embryonic mesenchyme cells, which degenerate after birth. Its composition is similar to that of the cornea, but the vitreous contains very few cells. It is composed mostly of phagocytes, which remove unwanted cellular debris in the visual field, and hyalocytes, which turn over the hyaluronan.

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