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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

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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 pigmented layer of the choroid coat represents this blackened lining.

From A Practical Physiology by Albert F. Blaisdell

Between the sclerotic and the subjacent choroid coat is a lymph space traversed by some loose pigmented connective tissue,—the 92 lamina fusca.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" by Various

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

From Preventable Diseases by Woods Hutchinson

It rests upon the choroid coat and spreads over about two thirds of the back surface of the eyeball.

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

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