Dictionary

choroid

noun cho·roid \ˈkr-ˌid\

Definition of CHOROID

:  a vascular membrane containing large branched pigmented cells that lies between the retina and the sclera of the vertebrate eye —called also choroid coat — see eye illustration
choroid or cho·roi·dal \kə-ˈri-dəl\ adjective

Variants of CHOROID

cho·roid also cho·ri·oid \ˈkr-ē-ˌid\

Origin of CHOROID

New Latin choroides resembling the chorion, from Greek chorioeidēs, from chorion chorion
First Known Use: 1683

choroid

noun cho·roid \ˈkō(ə)r-ˌid, ˈk(ə)r-\   (Medical Dictionary)

Medical Definition of CHOROID

:  a vascular membrane containing large branched pigment cells that lies between the retina and the sclera of the eye—called also choroid coat
choroid or cho·roi·dal \kə-ˈrid-əl\ adjective

Variants of CHOROID

cho·roid also cho·ri·oid \ˈkōr-ē-ˌid, ˈkr-\

Illustration of CHOROID

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