vitreous


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Related to vitreous: vitreous silica, vitrectomy, vitreous body, vitreous hemorrhage, vitreous detachment, Vitreous fluid, vitreous floaters

vitreous

 [vit´re-us]
1. glasslike or hyaline.
2. the vitreous body.
persistent hyperplastic vitreous a congenital anomaly, usually unilateral, due to persistence of embryonic remnants of the fibromuscular tunic of the eye and part of the hyaloid vascular system. Clinically, there is a white pupil, elongated ciliary processes, and often microphthalmia; the lens, although clear initially, may become completely opaque.

vit·re·ous

(vit'rē-ŭs),
1. Glassy; resembling glass.
2. Synonym(s): vitreous body
[L. vitreus, glassy, fr. vitrum, glass]

vitreous

/vit·re·ous/ (vit´re-us)
1. glasslike or hyaline.

primary persistent hyperplastic vitreous  a congenital anomaly, usually unilateral, due to persistence of embryonic remnants of the fibromuscular tunic of the eye and part of the hyaloid vascular system. Clinically, there is a white pupil, elongated ciliary processes, and often microphthalmia; the lens, although clear initially, may become completely opaque.

vitreous

(vĭt′rē-əs)
adj.
1. Of, relating to, resembling, or having the nature of glass; glassy.
2. Obtained or made from glass.
3. Of or relating to the vitreous humor.
n.
The vitreous humor.

vit′re·os′i·ty (-ŏs′ĭ-tē), vit′re·ous·ness (-əs-nĭs) n.

vitreous

[vit′rē·əs]
Etymology: L, vitreus, glassy
pertaining to the vitreous body of the eye located in the posterior chamber of the eye.

vitreous

adjective Hyalinoid, glass-like.
 
noun
(1) Vitreous body; corpus vitreum [NA6].
(2) Vitreous humour; humour vitreus [NA6].

vit·re·ous

(vit'rē-ŭs)
1. Glassy; resembling glass.
2. Synonym(s): vitreous body.
[L. vitreus, glassy, fr. vitrum, glass]

Vitreous

The transparent gel that fills the back part of the eye.
Mentioned in: Retinoblastoma

vitreous

1. glasslike or hyaline.
2. the vitreous body.

vitreous body
see vitreous body.
vitreous flare
an opacity of the vitreous which occurs with uveitis.
vitreous floater
a small opacity in the vitreous which may stimulate the retina and cause abnormal behavior patterns such as 'fly-biting'.
vitreous humor
1. vitreous body.
2. the watery substance contained within the interstices of the stroma in the vitreous body.
peripapillary vitreous
that adjacent to the optic disk.
persistent hyperplastic vitreous
a congenital anomaly, usually unilateral, due to persistence of embryonic remnants of the fibromuscular tunic of the eye and part of the hyaloid vascular system. Clinically, there is a white pupil, elongated ciliary processes, and often microphthalmia; the lens, although clear initially, may become completely opaque.
vitreous membrane
1. Descemet's membrane.
2. hyaline membrane (1).
3. Bruch's membrane.
4. a delicate boundary layer investing the vitreous body.
primary vitreous
the first stage in development of the vitreous; it persists in the adult as Cloquet's canal.
vitreous removal
vitrectomy.
secondary vitreous
the secondary stage in development of the vitreous; an avascular mass secreted by the retinal ectoderm.
tertiary vitreous
the third and final stage of development of the vitreous; it is secreted by the ciliary epithelium and persists in the adult as the suspensory ligament of the lens.
vitreous veils
curtain-like opacities seen in a normal vitreous.
References in periodicals archive ?
Heating vitreous humor to 100[degrees]C for 5 min was a simple and safe method for improving the precision of electrolyte measurements on the Hitachi 911 and 737 analyzers without any adverse effects on the measurement of urea, glucose, or creatinine.
The vitreous occupies 80% of ocular volume and it predominantly consists of water (99%), the remainder being hyaluronic acid and collagen fibrils.
We are very excited about our new vitreous tile mixes and resin tiles - our customers have requested them and we're only too happy to deliver," Thomas Arribehaute of Hobby Island said.
If the patient has areas of abnormal vitreo-retinal adhesion, or abnormally thin retina, both of which co-exist in the common vitreo-retinal condition of lattice degeneration, then the traction exerted on these areas as the vitreous separation progresses may result in retinal tear formation.
During a vitrectomy, three incisions are made through the white of the eye; the surgeon then inserts small instruments into the eye, cuts the vitreous gel, and suctions it out.
Vitreous China Water Closet Bowl, Flush Tank, And Urinal And Bidet Imports, 1998-2014 (dollars and units) .
Everhard Industries Unveils Vitreous China Basin II-19
There is generally no flow of liquid from the vitreous into the schisis cavity, which means that it appears as a smooth bulge that does not change shape or position with eye movements.
The MIVI III (Microplasmin for Vitreous Injection III) trial is a Phase IIb multi-center, randomized, placebo-controlled, double-masked, dose-ranging clinical trial evaluating the safety and efficacy of microplasmin intravitreal injection prior to vitrectomy.
Over the years, the vitreous degenerates and becomes liquefied.
b) Anterior vitreous cells can be found in PVD but not in BCR
Pharmaceutical researchers at the University of East Anglia have revealed that they are developing an artificial form of this vitreous humour so that it can be replaced following surgery or if it has been damaged or degenerated for other reasons.