choroid
UK /ˈkɔː.ɹɔɪd/ · US /ˈkɔɹˌɔɪd/ adjective, noun
Forms choroids
- adjective (anatomy) Resembling the chorion, particularly in containing many blood vessels.
- noun (anatomy) The pigmented vascular layer of the eyeball between the retina and the sclera.
Synonyms
Etymology
From New Latin choroides, from Ancient Greek χοροειδής (khoroeidḗs, alteration of χοριοειδής (khorioeidḗs, “like the afterbirth”)), from χόριον (khórion, “membrane that encloses the fetus in the womb, afterbirth”) + -ειδής (-eidḗs, “-like”).
Webster’s 1913
- adjective resembling the chorion; as, the choroid plexuses of the ventricles of the brain, and the choroid coat of the eyeball.
- adjective The choroid coat of the eye. See Eye. Choroid plexus (Anat.), one of the delicate fringelike processes, consisting almost entirely of blood vessels, which project into the ventricles of the brain.
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “choroid”, CC BY-SA 4.0. Details