choroid

Also cho·roidal,

[kawr-oid, kohr-]

adjective

1. like the chorion; membranous.

noun

1. choroid coat.

choroid

/ ˈkɔːrɔɪd, ˈkɔːrɪˌɔɪd /

adjective

1. resembling the chorion, esp in being vascular

noun

1. the brownish vascular membrane of the eyeball between the sclera and the retina

choroid

1. The dark-brown vascular coat of the eye between the sclera and the retina.

1. Resembling the chorion; membranous.

2. Relating to or involving the choroid of the eye.

Other Word Forms

• prechoroid adjective
• subchoroid adjective
• subchoroidal adjective

Word History and Origins

Origin of choroid¹

1625–35; < Greek choroeidḗs false reading for chorioeidḗs chorioid

Word History and Origins

Origin of choroid¹

C18: from Greek khoroeidēs, erroneously for khorioeidēs, from _chorion

Example Sentences

Uveitis is a rare inflammatory disease of the choroid of the eye, which lies between the retina and the sclera.

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They focused on a small region called the choroid plexus, which is known as a major conduit of immune cells into the brain.

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A stick whacked him in the face and ruptured the choroid in the back of his left eye.

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Winger Carl Hagelin, who was hit in the left eye with a stick blade during practice March 1, ruptured the choroid in the back of his eye and had two surgeries.

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Hagelin has been out since taking a teammate’s errant stick to his left eye in practice March 1, rupturing the choroid so badly doctors considered removing it.

Read more on Seattle Times