vitreous humor

American  

noun

Anatomy.

1. the transparent gelatinous substance filling the eyeball behind the crystalline lens.

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vitreous humor Scientific  

1. The gelatinous substance that fills the chamber of the eye between the retina and the lens.

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Etymology

Origin of vitreous humor

First recorded in 1655–65

Example Sentences

The treatment we received for our detached retina was an operation called a vitrectomy, which entails the removal of the vitreous humor from the eyeball’s posterior chamber.

From The Wall Street Journal • Nov. 11, 2015

The posterior cavity is filled with a more viscous fluid called the vitreous humor.

From Textbooks • Jun. 19, 2013

According to Dr. Michael W. Dunn, he and his colleagues are using collagen, a natural body substance, to replace lost or damaged vitreous humor.

From Time Magazine Archive

As for the inside, where the vitreous humor may become clouded or lost through injury, one surgeon is using a synthetic like molasses in January.

From Time Magazine Archive

The vitreous humor occupies four-fifths of the interior of the eyeball.

From Special Report on Diseases of Cattle by United States. Bureau of Animal Industry