[1] : The Collaborative International Dictionary of English v.0.48

choroid \cho"roid\, a. gr. ?; ? chorion + e'i^dos 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.
   1913 webster

   choroid plexus anat., one of the delicate fringelike
      processes, consisting almost entirely of blood vessels,
      which project into the ventricles of the brain.
      1913 webster
see also:
eye choroid plexus 

[2] : WordNet (r) 2.0

choroid plexus
     n : a vascular plexus of the cerebral ventricles that regulate
         intraventricular pressure syn: plexus choroideus
see also:
plexus choroideus 

Choroid Plexus >> C Words
Choroid Plexus, definition of term: Choroid Plexus
choroid+plexus_pag1.html

Choroid >> C Words
Choroid, definition of term: Choroid
choroid_pag1.html

Plexus >> P Words
Plexus, definition of term: Plexus
plexus_pag1.html

Solar Plexus >> S Words
Solar Plexus, definition of term: Solar Plexus
solar+plexus_pag1.html

Sacral Plexus >> S Words
Sacral Plexus, definition of term: Sacral Plexus
sacral+plexus_pag1.html