vitreous humor

humor /hu·mor/ (hu´mer) pl. humors, humo´res   [L.] any fluid or semifluid of the body.hu´moral

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aqueous humor  the fluid produced in the eye and filling the spaces (anterior and posterior) in front of the lens and its attachments.

ocular humor  either of the humors (aqueous and vitreous) of the eye.

vitreous humor 

1. the fluid portion of the vitreous body.

2. vitreous body.

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vitreous humor

n.

1. The clear gelatinous substance that fills the eyeball between the retina and the lens.

2. The vitreous body.

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Vitreous humor

The clear gel-like substance that fills the eyeball behind the lens.

Mentioned in: Uveitis

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vitreous humor,

a transparent, semigelatinous substance contained in a thin hyoid membrane and filling the cavity behind the crystalline lens of the eye. Some indications of the hyaloid canal may persist in the vitreous humor, which is not penetrated by any blood vessels and is nourished at its periphery by vessels of the retina and the ciliary processes. The vitreous humor is concave anteriorly to accommodate the crystalline lens and is closely applied to the retina around the wall of the eyeball. Also called corpus vitreum, vitreous body.

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humor

pl. humores, humors [L.] any fluid or semifluid in the body.

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aqueous humor

see aqueous humor.

ocular humor

either of the humors of the eye—aqueous or vitreous.

vitreous humor

see vitreous humor.

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vitreous

1. glasslike or hyaline.

2. the vitreous body.

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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.