#venule__venula__capillary_vein__capillaryvein  a minute vein continuous with a capillary
  supertype:  #vein__vena  a blood vessel that carries blood from the capillaries toward the heart; all veins except the pulmonary carry unaerated blood
  subtype:  #episcleral_veins__venae_episclerales  small veins in the sclera near the corneal margin; empty into the anterior ciliary veins
  subtype:  #stellate_venule  a star-shaped group of venules in the renal cortex

No statement uses or specializes #venule; click here to add one.