![](https://webarchive.library.unt.edu/eot2008/20090514050627im_/http://www.cancer.gov/images/spacer.gif) |
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(VIH-tree-us HYOO-mer)
![](https://webarchive.library.unt.edu/eot2008/20090514050627im_/http://www.cancer.gov/images/spacer.gif)
| The clear jelly-like substance that fills the inside of the eyeball. As a person ages, the vitreous humor becomes more liquid. |
Previous Definitions: | vitamin D, vitamin E, vitamin H, vitamin K, vitamin Q10 | Next Definitions: | Vivitrol, VNP20009, VNP40101M, vocal cord, voice box |
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![](https://webarchive.library.unt.edu/eot2008/20090514050627im_/http://www.cancer.gov/images/spacer.gif) |