uveal tract

The middle layer of the wall of the eye. The uveal tract has 3 main parts: (1) the choroid (the tissue layer filled with blood vessels); (2) the ciliary body (the ring of muscle tissue that changes the size of the pupil and the shape of the lens); and (3) the iris (the colored part of the eye). Also called uvea.

English dictionary of cancer terms . 2015.

Look at other dictionaries:

  • uveal tract — see uvea * * * tunica vasculosa bulbi …   Medical dictionary

  • uveal tract — see uvea …   The new mediacal dictionary

  • Тракт Увеальный (Uvea, Uveal Tract) — сосудистая оболочка глаза, расположенная под склерой. В состав увеального тракта входит собственно сосудистая оболочка глаза, ресничное тело и радужка. Увеальный (uveal). Источник: Медицинский словарь …   Медицинские термины

  • tract — An elongated area, e.g., path, track, way. SEE ALSO: fascicle. SYN: tractus. [L. tractus, a drawing out] alimentary t. SYN: digestive t.. anterior corticospinal t. uncrossed fibers forming a small bundle in the anterior funiculus of the …   Medical dictionary

  • melanoma del tracto uveal — Eng. Uveal tract melanoma Ver melanoma primario uveal …   Diccionario de oftalmología

  • uvea — uveal tract; n. the vascular pigmented layer of the eye, which lies beneath the outer layer (sclera). It consists of the choroid, ciliary body, and iris. Derivatives: uveal adj …   The new mediacal dictionary

  • DecisionDx-UM — is a prognostic test that accurately determines the metastatic risk associated with ocular melanoma tumors of the eye. Ocular melanoma is a term commonly used to describe tumors of the uveal tract such as uveal melanoma, choroidal melanoma,… …   Wikipedia

  • eye disease — Introduction  any of the diseases or disorders that affect the human eye (eye, human).       This article briefly describes the more common diseases of the eye and its associated structures, the methods used in examination and diagnosis, and the… …   Universalium

  • Uveitis — Inflammation of the uvea, the part of the eye that collectively refers to the iris, the choroid of the eye, and the ciliary body: {{}}The iris: The circular, colored curtain of the eye that surrounds the pupil. The choroid of the eye: The thin… …   Medical dictionary

  • Uvea — Infobox Anatomy Name = PAGENAME Latin = tunica vasculosa bulbi GraySubject = GrayPage = Caption = Horizontal section of the eyeball. (Iris labeled at top, ciliary body labeled at upper right, and choroid labeled at center right.) Caption2 =… …   Wikipedia

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