choroid : Idioms & Phrases
choroid coat
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noun a highly vascular membrane in the eye between the retina and the sclera; a dark pigmentation minimizes the scattering of light inside the eye
choroid.
WordNet
Choroid plexus
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noun a vascular plexus of the cerebral ventricles that regulate intraventricular pressure
plexus choroideus.
WordNet
(Anat.) , one of the delicate fringelike processes, consisting almost entirely of blood vessels, which project into the ventricles of the brain.
Webster 1913
choroid vein
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noun either of two veins serving the choroid coat of the eye
vena choroidea.