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 [u´ve-ah] (L.)
the tunica vasculosa of the eyeball, consisting of the iris, ciliary body, and choroid. adj., adj u´veal.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

vascular layer of eyeball

the vascular, pigmentary, or middle coat of the eye, comprising the choroid, ciliary body, and iris.
Farlex Partner Medical Dictionary © Farlex 2012


The vascular middle layer of the eye constituting the iris, ciliary body, and choroid.

u′ve·al adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


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]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


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.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005


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
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.


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
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann