Choroid /(?)/

Cho·roid

Choroid

a.
  1. resembling the chorion; as, the choroid plexuses of the ventricles of the brain, and the choroid coat of the eyeball. (Anat.)

Phrases & Compounds
Choroid plexus
one of the delicate fringelike processes, consisting almost entirely of blood vessels, which project into the ventricles of the brain.