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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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

From Textbooks Jan. 1, 2015

The choroid coat will be recognized as the black layer lying subjacent to the sclerotic.

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

Near where the sclerotic coat joins the cornea, the choroid coat separates from the outer wall and, by folding, forms many slight projections into the interior space.

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

Take out both the lens and the iris and the choroid coat of the eye will reproduce both.

From Preventable Diseases by Hutchinson, Woods

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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