uvea


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Related to uvea: Bruch membrane

uvea

 [u´ve-ah] (L.)
the tunica vasculosa of the eyeball, consisting of the iris, ciliary body, and choroid. adj., adj u´veal.

vascular layer of eyeball

[TA]
the vascular, pigmentary, or middle coat of the eye, comprising the choroid, ciliary body, and iris.

uvea

(u´ve-ah) the tunica vasculosa of the eyeball, consisting of the iris, ciliary body, and choroid.u´veal

uvea

(yo͞o′vē-ə)
n.
The vascular middle layer of the eye constituting the iris, ciliary body, and choroid.

u′ve·al adj.

uvea

[yo̅o̅′vē·ə]
Etymology: L, uva, grape
the vascular, pigmented, middle coat of the eye. Also called tunica vasculosa bulbi, uveal tract. uveal, adj.

u·ve·a

(yū'vē-ă)
The middle coat of the eyeball between the sclera and retina. It includes the iris and ciliary body (the anterior uvea) and the choroid.
[L. uva, grape]

uvea

The coat of the eye lying immediately under the outer SCLERA (the CHOROID), together with its continuum, the CILIARY BODY and the IRIS. The uvea contains many blood vessels and a variable quantity of pigment. From the Greek word uvea, a grape, because of the resemblance of the uvea to a peeled black grape). See also UVEITIS.

Uvea

The middle of the three coats of tissue surrounding the eye, comprising the choroid, iris, and ciliary body. The uvea is pigmented and well supplied with blood vessels.
Mentioned in: Eye Cancer

uvea 

The vascular tunic of the eye, consisting of the choroid, ciliary body and the iris. The last two structures are usually considered to form the anterior uvea. The uvea contains most of the blood supply (Fig. U2). Syn. uveal tract; vascular tunic of the eye. See uveitis; vortex vein.
Fig. U2 The uveaenlarge picture
Fig. U2 The uvea

uvea

[L.] the iris, ciliary body, and choroid together.

anterior uvea
see anterior uveal tract.
References in periodicals archive ?
This form of eye cancer, sometimes referred to as ocular melanoma, may occur in any of the three parts of the uvea.
Perforation of the cornea is rare, but if it occurs, the fungus may invade the uvea, vitreous body, and retina.
TX Primary tumor cannot be assessed T0 No evidence of primary tumor T1 Tumor(s) limited to [is less than or equal to] 25% of the retina T2 Tumor(s) involve(s) [is greater than] 25% but [is less than or equal to] 50% of the retina T3 Tumor(s) involve(s) [is greater than] 50% of the retina and/or invade(s) beyond the retina, but remain(s) intraocular T3a Tumor(s) involve(s) [is greater than] 50% of the retina and/or tumor cells in the vitreous T3b Tumor(s) involve(s) the optic disc T3b Tumor(s) involve(s) anterior chamber and/or uvea T4 Tumor with extraocular invasion T4a Tumor invades retrobulbar optic nerve T4b Extraocular extension other than invasion of the optic nerve
About Uveitis Uveitis is inflammation of the middle layer of the eye, or the uvea, caused by an immune reaction.
After completing specialist training in Birmingham he took an advanced Medical Retinal & Uvea Fellowship at Moorfields Eye Hospital.
In Stage 3 NVI, new vessels with fibrous support tissue cover part or all of the anterior surface of the iris, the anterior surface flattens, there is development of ectropion uvea, loss of dilator muscle, and peripheral anterior synechiae, causing the peripheral iris to attach to the cornea, blocking the anterior chamber angles.
In autoimmune uveitis, the body's own immune system attacks the uvea of the eye, the portion of the eye that lies between the outermost and innermost layers of the eye.
These include cases of chronic allergic conjunctivitis unresponsive to routine treatments (OT, November 12 2010), advanced presentations of VKC (again unresponsive to mast cell stabilizer treatments), ocular rosacea, episcleritis (of various aetiologies) and, of course, intraocular inflammations of the anterior segment associated with the iris and anterior uvea.
Some unusual words played today include: BORTZ (a low-quality diamond), GANOF (a thief), UVEA (a layer of the eye) and WOORALI (an arrow poison).
A proportion of aqueous also leaves the internal eye via the interstitial spaces of the ciliary muscle and the uvea, referred to as the supraciliary space.
Cases of swelling related to fluid build-up in the eye, as well as inflammation of the uvea, sclera, episclera, conjunctiva, and iris of the eye have been reported.
In the eye, inelanocytes, and hence melanomas, occur in the uvea (choroid, ciliary body and iris), whilst extraocular melanomas can be found in the conjunctiva and skin.