uvea

Thân thiện

The ophthalmologist examines the patient's uvea with a slit lamp.

Definition

1. Noun:
   • The vascular layer of the eye: The "uvea" is the middle, pigmented layer of the eye, lying between the sclera (the white outer layer) and the retina (the inner light-sensitive layer). It is composed of three main structures: the iris, the ciliary body, and the choroid.

Usage

• The term "uvea" is used in medical, anatomical, and ophthalmological contexts to refer to this specific collective structure of the eye.
• It is typically used as a singular noun (e.g., ). The plural form is "uveas" or, less commonly, "uveae" (pronounced /ˈjuːviˌiː/).

Examples

• Noun:
  • Inflammation of the uvea is called uveitis.
  • The uvea provides blood supply to the retina.
  • The doctor examined the patient's uvea for signs of disease.

Advanced Usage

• "Uveal" (adjective): Pertaining to the uvea.
  • The uveal tract is another name for the uvea.
  • Uveal melanoma is a serious type of eye cancer.

Variants and Related Words

• Uveitis (n): Inflammation of the uvea.
• Uveal tract (n): A synonym for the uvea, emphasizing its structure as a continuous layer.
• Iris (n): The colored part of the eye, a component of the uvea.
• Ciliary body (n): A part of the uvea that produces aqueous humor and controls lens shape.
• Choroid (n): A part of the uvea, a vascular layer that nourishes the retina.

Synonyms

• Vascular tunic (n): An anatomical synonym for the uvea.
• Uveal tract (n): (See above).

Notes on Meaning

• The "uvea" is defined by its anatomical composition and function (vascular supply and pigmentation) rather than by a single, simple concept. It is a collective term for three interconnected parts.

Học thuật

Noun

1. the part of the eye that contains the iris and ciliary body and choroid