资料来源 : Webster's Revised Unabridged Dictionary (1913)

Choroid \Cho"roid\, a. [gr. ?; ? chorion + ? form.] (Anat.)
   resembling the chorion; as, the choroid plexuses of the
   ventricles of the brain, and the choroid coat of the eyeball.
   -- n. 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.

资料来源 : WordNet®

choroid plexus
     n : a vascular plexus of the cerebral ventricles that regulate
         intraventricular pressure [syn: {plexus choroideus}]