#cerebral_vein__vena_cerebri  any of several veins serving the cerebral hemispheres of the brain
  supertype:  #vein__vena  a blood vessel that carries blood from the capillaries toward the heart; all veins except the pulmonary carry unaerated blood
  subtype:  #anterior_cerebral_vein__vena_cerebri_anterior  accompanies the anterior cerebral artery and empties into the basal vein
  subtype:  #great_cerebral_vein__vena_cerebri_magna  a cerebral vein formed by the two internal cerebral veins and continuing into the sinus rectus
  subtype:  #inferior_cerebral_vein__venae_cerebrum_inferior  veins that drain the undersurface of the cerebral hemispheres and empty into the cavernous and transverse sinuses
  subtype:  #internal_cerebral_vein__vena_cerebrum_internus  two paired veins passing caudally near the midline and uniting to form the great cerebral vein
  subtype:  #middle_cerebral_vein__vena_cerebri_media  either of two cerebral veins
     subtype:  #deep_middle_cerebral_vein  accompanies the middle cerebral artery deep in the Sylvian fissure; empties into the basal vein
     subtype:  #superficial_middle_cerebral_vein  a large vein along the line of the Sylvian fissure to the cavernous sinus
  subtype:  #superior_cerebral_vein__vena_cerebrum_superior  a cerebral vein that drains the dorsal convexity of the cerebral hemisphere and empties into the cavernous sinus

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