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choroid
[ kawr-oid, kohr- ]
adjective
- like the chorion; membranous.
noun
choroid
/ ˈkɔːrɔɪd; ˈkɔːrɪˌɔɪd /
adjective
- resembling the chorion, esp in being vascular
noun
- the brownish vascular membrane of the eyeball between the sclera and the retina
choroid
/ kôr′oid′ /
Noun
- The dark-brown vascular coat of the eye between the sclera and the retina.
Adjective
- Resembling the chorion; membranous.
- Relating to or involving the choroid of the eye.
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Other Words From
- pre·choroid adjective
- sub·choroid adjective
- subcho·roidal adjective
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Word History and Origins
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Word History and Origins
Origin of choroid1
C18: from Greek khoroeidēs, erroneously for khorioeidēs, from chorion
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Example Sentences
Perhaps the mode of formation of the vitreous humour in Mammalia may be correlated with the early closing of the choroid slit.
From Project Gutenberg
On the internal surface of the sclerotic is a vascular membrane called the choroid.
From Project Gutenberg
This notch is the only rudiment of the choroid fissure of other types.
From Project Gutenberg
A second coat, the choroid, is supplied with blood vessels and cells which bear pigments.
From Project Gutenberg
The retina is dark purple in color, this color being caused by a layer of cells next to the choroid coat.
From Project Gutenberg
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