choroid coat

noun Ophthalmology.
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. See diag. under eye.
Also called choroid, choroid membrane.


Origin:
1735–45

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Example sentences
The closest network and the smallest interspaces are found in the lungs and in the choroid coat of the eye.
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