designating or of the chorion or certain other vascular membranes
Origin of choroidClassical Greek choroeid?s, contr. from chorioeid?s from chorion, chorion + -eid?s, -oid
the dark, vascular membrane that forms the middle coat of the eye, between the sclera and the retina
The dark-brown vascular coat of the eye between the sclera and the retina. Also called choroid coat . Also called choroid membrane .
- Resembling the chorion; membranous.
- Of or relating to the choroid.
Origin of choroidFrom Greek khoroeidēs like an afterbirth alteration of khorioeidēs khorion afterbirth ; see chorion . -oeidēs -oid
From Ancient Greek χοριον (khorion) + ειδος (eidos, “resembling skin”).