#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

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