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Showing results for choroid coat. Search instead for choroid vein.

choroid coat

American  

noun

Ophthalmology.
  1. a pigmented, highly vascular membrane of the eye that is continuous with the iris and lies between the sclera and the retina, functioning to nourish the retina and absorb scattered light.


Etymology

Origin of choroid coat

First recorded in 1735–45

Example Sentences

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Light enters the front of the eye through a hole in the choroid coat called the pupil.

From Textbooks Jan. 1, 2015

The Middle Coat consists of three connected portions—the choroid coat, the ciliary processes, and the iris.

From Physiology and Hygiene for Secondary Schools by Walters, Francis M.

Their external border is continuous with the internal layer of the choroid coat.

From A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) by Cutter, Calvin

The choroid coat is a bell-shaped, dark membrane which lines the sclerotic.

From Special Report on Diseases of Cattle by United States. Bureau of Animal Industry

Whence it is evident that vision exists where the choroid coat is not present, and consequently that the choroid coat is not the organ of vision.

From Popular Lectures on Zoonomia Or The Laws of Animal Life, in Health and Disease by Garnett, Thomas

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