hyaloid
1
9.9
- noun
- /ˈhaɪəˌlɔɪd/
- Specialized
:
hialoide
- The zonule of Zinn, discovered in 1753, is part of the hyaloid membrane adjacent to the margins of the lens (of the eye).
Examples
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Close inspection of the left macula shows that there is a distortion... of the interior limiting membrane... secondary to the posterior hyaloid-face contraction.
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But the posterior hyaloid, which is attached to the optic nerve macula... and major vessels of the retina, have remained attached and intact.”
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The hyaloid membrane provides a protective layer around the vitreous humor in the eye.
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In an eye examination, the doctor pointed out the importance of the hyaloid in maintaining retinal health.
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Damage to the hyaloid can lead to vision problems, as it separates the vitreous humor from the retina.
Synonyms
A thin clear layer inside the eye that holds the jelly in front of the retina
Compounds
- Specialized
A thin clear layer inside the eye that holds the jelly in front of the retina
Surface Forms
Morphology
hyaloid = hyalo (semi-transparent) = hyalo + oid
The formation hyalo + -oid is morphologically regular, but both elements are technical combining forms that many learners will not recognize.
Etymology
The word hyaloid comes from the Greek root hyalos which means 'glass'. The thin, clear membrane in the eye looks like glass, so calling it hyaloid helps you remember it is a transparent, glass-like part of the eye.